Home / 10,863.24-14,991.14-6,147.40

Finding the Fourth Proportional to 10,863.24, 14,991.14 and 6,147.40

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Solution

The fourth proportional to 10,863.24, 14,991.14 and 6,147.40 is: 8,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.24 : 14,991.14 = 6,147.40 : x
  2. Step 2: Convert to fraction form
    10,863.24/14,991.14 = 6,147.40/x
  3. Step 3: Cross multiply
    10,863.24x = 14,991.14 × 6,147.40
  4. Step 4: Simplify right side
    10,863.24x = 92,156,534.04
  5. Step 5: Solve for x
    x = 92,156,534.04/10,863.24
  6. Step 6: Final answer
    x = 8,483.34

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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.