Home / 15,868.60-21,909.36-14,184.62

Finding the Fourth Proportional to 15,868.60, 21,909.36 and 14,184.62

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Solution

The fourth proportional to 15,868.60, 21,909.36 and 14,184.62 is: 19,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.60 : 21,909.36 = 14,184.62 : x
  2. Step 2: Convert to fraction form
    15,868.60/21,909.36 = 14,184.62/x
  3. Step 3: Cross multiply
    15,868.60x = 21,909.36 × 14,184.62
  4. Step 4: Simplify right side
    15,868.60x = 310,775,946.04
  5. Step 5: Solve for x
    x = 310,775,946.04/15,868.60
  6. Step 6: Final answer
    x = 19,584.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.