Home / 11,280.09-15,569.10-6,565.08

Finding the Fourth Proportional to 11,280.09, 15,569.10 and 6,565.08

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Solution

The fourth proportional to 11,280.09, 15,569.10 and 6,565.08 is: 9,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.09 : 15,569.10 = 6,565.08 : x
  2. Step 2: Convert to fraction form
    11,280.09/15,569.10 = 6,565.08/x
  3. Step 3: Cross multiply
    11,280.09x = 15,569.10 × 6,565.08
  4. Step 4: Simplify right side
    11,280.09x = 102,212,387.03
  5. Step 5: Solve for x
    x = 102,212,387.03/11,280.09
  6. Step 6: Final answer
    x = 9,061.31

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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.