Home / 9,127.84-12,596.23-5,148.96

Finding the Fourth Proportional to 9,127.84, 12,596.23 and 5,148.96

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Solution

The fourth proportional to 9,127.84, 12,596.23 and 5,148.96 is: 7,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.84 : 12,596.23 = 5,148.96 : x
  2. Step 2: Convert to fraction form
    9,127.84/12,596.23 = 5,148.96/x
  3. Step 3: Cross multiply
    9,127.84x = 12,596.23 × 5,148.96
  4. Step 4: Simplify right side
    9,127.84x = 64,857,484.42
  5. Step 5: Solve for x
    x = 64,857,484.42/9,127.84
  6. Step 6: Final answer
    x = 7,105.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.