Home / 11,385.64-15,712.27-6,350.18

Finding the Fourth Proportional to 11,385.64, 15,712.27 and 6,350.18

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Solution

The fourth proportional to 11,385.64, 15,712.27 and 6,350.18 is: 8,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.64 : 15,712.27 = 6,350.18 : x
  2. Step 2: Convert to fraction form
    11,385.64/15,712.27 = 6,350.18/x
  3. Step 3: Cross multiply
    11,385.64x = 15,712.27 × 6,350.18
  4. Step 4: Simplify right side
    11,385.64x = 99,775,742.71
  5. Step 5: Solve for x
    x = 99,775,742.71/11,385.64
  6. Step 6: Final answer
    x = 8,763.30

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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.