Home / 19,508.68-29,226.28-9,636.40

Finding the Fourth Proportional to 19,508.68, 29,226.28 and 9,636.40

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Solution

The fourth proportional to 19,508.68, 29,226.28 and 9,636.40 is: 14,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.68 : 29,226.28 = 9,636.40 : x
  2. Step 2: Convert to fraction form
    19,508.68/29,226.28 = 9,636.40/x
  3. Step 3: Cross multiply
    19,508.68x = 29,226.28 × 9,636.40
  4. Step 4: Simplify right side
    19,508.68x = 281,636,124.59
  5. Step 5: Solve for x
    x = 281,636,124.59/19,508.68
  6. Step 6: Final answer
    x = 14,436.45

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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.