Home / 16,781.58-23,153.04-9,702.99

Finding the Fourth Proportional to 16,781.58, 23,153.04 and 9,702.99

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Solution

The fourth proportional to 16,781.58, 23,153.04 and 9,702.99 is: 13,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.58 : 23,153.04 = 9,702.99 : x
  2. Step 2: Convert to fraction form
    16,781.58/23,153.04 = 9,702.99/x
  3. Step 3: Cross multiply
    16,781.58x = 23,153.04 × 9,702.99
  4. Step 4: Simplify right side
    16,781.58x = 224,653,715.59
  5. Step 5: Solve for x
    x = 224,653,715.59/16,781.58
  6. Step 6: Final answer
    x = 13,386.92

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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.