Home / 19,355.76-29,038.50-9,499.68

Finding the Fourth Proportional to 19,355.76, 29,038.50 and 9,499.68

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Solution

The fourth proportional to 19,355.76, 29,038.50 and 9,499.68 is: 14,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.76 : 29,038.50 = 9,499.68 : x
  2. Step 2: Convert to fraction form
    19,355.76/29,038.50 = 9,499.68/x
  3. Step 3: Cross multiply
    19,355.76x = 29,038.50 × 9,499.68
  4. Step 4: Simplify right side
    19,355.76x = 275,856,457.68
  5. Step 5: Solve for x
    x = 275,856,457.68/19,355.76
  6. Step 6: Final answer
    x = 14,251.91

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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.