Home / 14,909.36-20,572.48-8,620.52

Finding the Fourth Proportional to 14,909.36, 20,572.48 and 8,620.52

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Solution

The fourth proportional to 14,909.36, 20,572.48 and 8,620.52 is: 11,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.36 : 20,572.48 = 8,620.52 : x
  2. Step 2: Convert to fraction form
    14,909.36/20,572.48 = 8,620.52/x
  3. Step 3: Cross multiply
    14,909.36x = 20,572.48 × 8,620.52
  4. Step 4: Simplify right side
    14,909.36x = 177,345,475.29
  5. Step 5: Solve for x
    x = 177,345,475.29/14,909.36
  6. Step 6: Final answer
    x = 11,894.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.