Home / 10,989.54-16,484.31-7,298.98

Finding the Fourth Proportional to 10,989.54, 16,484.31 and 7,298.98

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Solution

The fourth proportional to 10,989.54, 16,484.31 and 7,298.98 is: 10,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.54 : 16,484.31 = 7,298.98 : x
  2. Step 2: Convert to fraction form
    10,989.54/16,484.31 = 7,298.98/x
  3. Step 3: Cross multiply
    10,989.54x = 16,484.31 × 7,298.98
  4. Step 4: Simplify right side
    10,989.54x = 120,318,607.79
  5. Step 5: Solve for x
    x = 120,318,607.79/10,989.54
  6. Step 6: Final answer
    x = 10,948.47

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.