Home / 9,120.04-13,665.18-6,925.96

Finding the Fourth Proportional to 9,120.04, 13,665.18 and 6,925.96

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Solution

The fourth proportional to 9,120.04, 13,665.18 and 6,925.96 is: 10,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.04 : 13,665.18 = 6,925.96 : x
  2. Step 2: Convert to fraction form
    9,120.04/13,665.18 = 6,925.96/x
  3. Step 3: Cross multiply
    9,120.04x = 13,665.18 × 6,925.96
  4. Step 4: Simplify right side
    9,120.04x = 94,644,490.07
  5. Step 5: Solve for x
    x = 94,644,490.07/9,120.04
  6. Step 6: Final answer
    x = 10,377.64

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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.