Home / 14,357.52-21,536.28-12,403.80

Finding the Fourth Proportional to 14,357.52, 21,536.28 and 12,403.80

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Solution

The fourth proportional to 14,357.52, 21,536.28 and 12,403.80 is: 18,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.52 : 21,536.28 = 12,403.80 : x
  2. Step 2: Convert to fraction form
    14,357.52/21,536.28 = 12,403.80/x
  3. Step 3: Cross multiply
    14,357.52x = 21,536.28 × 12,403.80
  4. Step 4: Simplify right side
    14,357.52x = 267,131,709.86
  5. Step 5: Solve for x
    x = 267,131,709.86/14,357.52
  6. Step 6: Final answer
    x = 18,605.70

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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.