Home / 14,191.57-21,254.54-13,699.50

Finding the Fourth Proportional to 14,191.57, 21,254.54 and 13,699.50

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Solution

The fourth proportional to 14,191.57, 21,254.54 and 13,699.50 is: 20,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.57 : 21,254.54 = 13,699.50 : x
  2. Step 2: Convert to fraction form
    14,191.57/21,254.54 = 13,699.50/x
  3. Step 3: Cross multiply
    14,191.57x = 21,254.54 × 13,699.50
  4. Step 4: Simplify right side
    14,191.57x = 291,176,422.53
  5. Step 5: Solve for x
    x = 291,176,422.53/14,191.57
  6. Step 6: Final answer
    x = 20,517.56

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1.5x scale

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.