Home / 14,397.12-21,597.51-5,630.90

Finding the Fourth Proportional to 14,397.12, 21,597.51 and 5,630.90

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Solution

The fourth proportional to 14,397.12, 21,597.51 and 5,630.90 is: 8,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.12 : 21,597.51 = 5,630.90 : x
  2. Step 2: Convert to fraction form
    14,397.12/21,597.51 = 5,630.90/x
  3. Step 3: Cross multiply
    14,397.12x = 21,597.51 × 5,630.90
  4. Step 4: Simplify right side
    14,397.12x = 121,613,311.07
  5. Step 5: Solve for x
    x = 121,613,311.07/14,397.12
  6. Step 6: Final answer
    x = 8,447.06

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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.