Home / 16,312.62-22,510.65-9,141.66

Finding the Fourth Proportional to 16,312.62, 22,510.65 and 9,141.66

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Solution

The fourth proportional to 16,312.62, 22,510.65 and 9,141.66 is: 12,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.62 : 22,510.65 = 9,141.66 : x
  2. Step 2: Convert to fraction form
    16,312.62/22,510.65 = 9,141.66/x
  3. Step 3: Cross multiply
    16,312.62x = 22,510.65 × 9,141.66
  4. Step 4: Simplify right side
    16,312.62x = 205,784,708.68
  5. Step 5: Solve for x
    x = 205,784,708.68/16,312.62
  6. Step 6: Final answer
    x = 12,615.06

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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.