Home / 15,209.52-20,988.48-9,550.08

Finding the Fourth Proportional to 15,209.52, 20,988.48 and 9,550.08

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Solution

The fourth proportional to 15,209.52, 20,988.48 and 9,550.08 is: 13,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.52 : 20,988.48 = 9,550.08 : x
  2. Step 2: Convert to fraction form
    15,209.52/20,988.48 = 9,550.08/x
  3. Step 3: Cross multiply
    15,209.52x = 20,988.48 × 9,550.08
  4. Step 4: Simplify right side
    15,209.52x = 200,441,663.08
  5. Step 5: Solve for x
    x = 200,441,663.08/15,209.52
  6. Step 6: Final answer
    x = 13,178.70

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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.