Home / 19,487.17-29,225.89-7,643.35

Finding the Fourth Proportional to 19,487.17, 29,225.89 and 7,643.35

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Solution

The fourth proportional to 19,487.17, 29,225.89 and 7,643.35 is: 11,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.17 : 29,225.89 = 7,643.35 : x
  2. Step 2: Convert to fraction form
    19,487.17/29,225.89 = 7,643.35/x
  3. Step 3: Cross multiply
    19,487.17x = 29,225.89 × 7,643.35
  4. Step 4: Simplify right side
    19,487.17x = 223,383,706.33
  5. Step 5: Solve for x
    x = 223,383,706.33/19,487.17
  6. Step 6: Final answer
    x = 11,463.12

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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.