Home / 10,983.40-15,156.75-6,267.44

Finding the Fourth Proportional to 10,983.40, 15,156.75 and 6,267.44

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Solution

The fourth proportional to 10,983.40, 15,156.75 and 6,267.44 is: 8,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.40 : 15,156.75 = 6,267.44 : x
  2. Step 2: Convert to fraction form
    10,983.40/15,156.75 = 6,267.44/x
  3. Step 3: Cross multiply
    10,983.40x = 15,156.75 × 6,267.44
  4. Step 4: Simplify right side
    10,983.40x = 94,994,082.61
  5. Step 5: Solve for x
    x = 94,994,082.61/10,983.40
  6. Step 6: Final answer
    x = 8,648.88

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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.