Home / 14,372.48-21,554.40-5,605.04

Finding the Fourth Proportional to 14,372.48, 21,554.40 and 5,605.04

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Solution

The fourth proportional to 14,372.48, 21,554.40 and 5,605.04 is: 8,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.48 : 21,554.40 = 5,605.04 : x
  2. Step 2: Convert to fraction form
    14,372.48/21,554.40 = 5,605.04/x
  3. Step 3: Cross multiply
    14,372.48x = 21,554.40 × 5,605.04
  4. Step 4: Simplify right side
    14,372.48x = 120,813,274.18
  5. Step 5: Solve for x
    x = 120,813,274.18/14,372.48
  6. Step 6: Final answer
    x = 8,405.88

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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.