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Finding the Fourth Proportional to 16,560.79, 22,854.12 and 9,007.34

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Solution

The fourth proportional to 16,560.79, 22,854.12 and 9,007.34 is: 12,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.79 : 22,854.12 = 9,007.34 : x
  2. Step 2: Convert to fraction form
    16,560.79/22,854.12 = 9,007.34/x
  3. Step 3: Cross multiply
    16,560.79x = 22,854.12 × 9,007.34
  4. Step 4: Simplify right side
    16,560.79x = 205,854,681.19
  5. Step 5: Solve for x
    x = 205,854,681.19/16,560.79
  6. Step 6: Final answer
    x = 12,430.25

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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.