Home / 16,988.46-23,444.10-9,915.30

Finding the Fourth Proportional to 16,988.46, 23,444.10 and 9,915.30

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Solution

The fourth proportional to 16,988.46, 23,444.10 and 9,915.30 is: 13,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.46 : 23,444.10 = 9,915.30 : x
  2. Step 2: Convert to fraction form
    16,988.46/23,444.10 = 9,915.30/x
  3. Step 3: Cross multiply
    16,988.46x = 23,444.10 × 9,915.30
  4. Step 4: Simplify right side
    16,988.46x = 232,455,284.73
  5. Step 5: Solve for x
    x = 232,455,284.73/16,988.46
  6. Step 6: Final answer
    x = 13,683.13

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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.