Home / 10,692.20-15,995.10-9,247.40

Finding the Fourth Proportional to 10,692.20, 15,995.10 and 9,247.40

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Solution

The fourth proportional to 10,692.20, 15,995.10 and 9,247.40 is: 13,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.20 : 15,995.10 = 9,247.40 : x
  2. Step 2: Convert to fraction form
    10,692.20/15,995.10 = 9,247.40/x
  3. Step 3: Cross multiply
    10,692.20x = 15,995.10 × 9,247.40
  4. Step 4: Simplify right side
    10,692.20x = 147,913,087.74
  5. Step 5: Solve for x
    x = 147,913,087.74/10,692.20
  6. Step 6: Final answer
    x = 13,833.74

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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.