Home / 16,309.07-22,510.55-9,239.66

Finding the Fourth Proportional to 16,309.07, 22,510.55 and 9,239.66

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Solution

The fourth proportional to 16,309.07, 22,510.55 and 9,239.66 is: 12,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.07 : 22,510.55 = 9,239.66 : x
  2. Step 2: Convert to fraction form
    16,309.07/22,510.55 = 9,239.66/x
  3. Step 3: Cross multiply
    16,309.07x = 22,510.55 × 9,239.66
  4. Step 4: Simplify right side
    16,309.07x = 207,989,828.41
  5. Step 5: Solve for x
    x = 207,989,828.41/16,309.07
  6. Step 6: Final answer
    x = 12,753.02

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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.