Home / 17,869.59-24,689.70-14,121.50

Finding the Fourth Proportional to 17,869.59, 24,689.70 and 14,121.50

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Solution

The fourth proportional to 17,869.59, 24,689.70 and 14,121.50 is: 19,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.59 : 24,689.70 = 14,121.50 : x
  2. Step 2: Convert to fraction form
    17,869.59/24,689.70 = 14,121.50/x
  3. Step 3: Cross multiply
    17,869.59x = 24,689.70 × 14,121.50
  4. Step 4: Simplify right side
    17,869.59x = 348,655,475.10
  5. Step 5: Solve for x
    x = 348,655,475.10/17,869.59
  6. Step 6: Final answer
    x = 19,511.11

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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.