Home / 15,278.60-22,896.30-9,417.80

Finding the Fourth Proportional to 15,278.60, 22,896.30 and 9,417.80

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Solution

The fourth proportional to 15,278.60, 22,896.30 and 9,417.80 is: 14,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.60 : 22,896.30 = 9,417.80 : x
  2. Step 2: Convert to fraction form
    15,278.60/22,896.30 = 9,417.80/x
  3. Step 3: Cross multiply
    15,278.60x = 22,896.30 × 9,417.80
  4. Step 4: Simplify right side
    15,278.60x = 215,632,774.14
  5. Step 5: Solve for x
    x = 215,632,774.14/15,278.60
  6. Step 6: Final answer
    x = 14,113.39

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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.