Home / 14,381.79-21,572.47-4,521.66

Finding the Fourth Proportional to 14,381.79, 21,572.47 and 4,521.66

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Solution

The fourth proportional to 14,381.79, 21,572.47 and 4,521.66 is: 6,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.79 : 21,572.47 = 4,521.66 : x
  2. Step 2: Convert to fraction form
    14,381.79/21,572.47 = 4,521.66/x
  3. Step 3: Cross multiply
    14,381.79x = 21,572.47 × 4,521.66
  4. Step 4: Simplify right side
    14,381.79x = 97,543,374.70
  5. Step 5: Solve for x
    x = 97,543,374.70/14,381.79
  6. Step 6: Final answer
    x = 6,782.42

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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.