Home / 15,148.19-22,692.11-9,217.78

Finding the Fourth Proportional to 15,148.19, 22,692.11 and 9,217.78

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Solution

The fourth proportional to 15,148.19, 22,692.11 and 9,217.78 is: 13,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.19 : 22,692.11 = 9,217.78 : x
  2. Step 2: Convert to fraction form
    15,148.19/22,692.11 = 9,217.78/x
  3. Step 3: Cross multiply
    15,148.19x = 22,692.11 × 9,217.78
  4. Step 4: Simplify right side
    15,148.19x = 209,170,877.72
  5. Step 5: Solve for x
    x = 209,170,877.72/15,148.19
  6. Step 6: Final answer
    x = 13,808.31

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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.