Home / 19,487.08-29,220.36-6,337.81

Finding the Fourth Proportional to 19,487.08, 29,220.36 and 6,337.81

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Solution

The fourth proportional to 19,487.08, 29,220.36 and 6,337.81 is: 9,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.08 : 29,220.36 = 6,337.81 : x
  2. Step 2: Convert to fraction form
    19,487.08/29,220.36 = 6,337.81/x
  3. Step 3: Cross multiply
    19,487.08x = 29,220.36 × 6,337.81
  4. Step 4: Simplify right side
    19,487.08x = 185,193,089.81
  5. Step 5: Solve for x
    x = 185,193,089.81/19,487.08
  6. Step 6: Final answer
    x = 9,503.38

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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.