Home / 16,706.16-23,052.40-9,990.52

Finding the Fourth Proportional to 16,706.16, 23,052.40 and 9,990.52

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Solution

The fourth proportional to 16,706.16, 23,052.40 and 9,990.52 is: 13,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,706.16 : 23,052.40 = 9,990.52 : x
  2. Step 2: Convert to fraction form
    16,706.16/23,052.40 = 9,990.52/x
  3. Step 3: Cross multiply
    16,706.16x = 23,052.40 × 9,990.52
  4. Step 4: Simplify right side
    16,706.16x = 230,305,463.25
  5. Step 5: Solve for x
    x = 230,305,463.25/16,706.16
  6. Step 6: Final answer
    x = 13,785.66

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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.