Home / 19,875.47-29,817.59-11,003.74

Finding the Fourth Proportional to 19,875.47, 29,817.59 and 11,003.74

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Solution

The fourth proportional to 19,875.47, 29,817.59 and 11,003.74 is: 16,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.47 : 29,817.59 = 11,003.74 : x
  2. Step 2: Convert to fraction form
    19,875.47/29,817.59 = 11,003.74/x
  3. Step 3: Cross multiply
    19,875.47x = 29,817.59 × 11,003.74
  4. Step 4: Simplify right side
    19,875.47x = 328,105,031.30
  5. Step 5: Solve for x
    x = 328,105,031.30/19,875.47
  6. Step 6: Final answer
    x = 16,508.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.