Home / 14,447.55-21,663.12-5,677.68

Finding the Fourth Proportional to 14,447.55, 21,663.12 and 5,677.68

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Solution

The fourth proportional to 14,447.55, 21,663.12 and 5,677.68 is: 8,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.55 : 21,663.12 = 5,677.68 : x
  2. Step 2: Convert to fraction form
    14,447.55/21,663.12 = 5,677.68/x
  3. Step 3: Cross multiply
    14,447.55x = 21,663.12 × 5,677.68
  4. Step 4: Simplify right side
    14,447.55x = 122,996,263.16
  5. Step 5: Solve for x
    x = 122,996,263.16/14,447.55
  6. Step 6: Final answer
    x = 8,513.30

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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.