Home / 15,095.22-20,847.18-10,385.88

Finding the Fourth Proportional to 15,095.22, 20,847.18 and 10,385.88

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Solution

The fourth proportional to 15,095.22, 20,847.18 and 10,385.88 is: 14,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.22 : 20,847.18 = 10,385.88 : x
  2. Step 2: Convert to fraction form
    15,095.22/20,847.18 = 10,385.88/x
  3. Step 3: Cross multiply
    15,095.22x = 20,847.18 × 10,385.88
  4. Step 4: Simplify right side
    15,095.22x = 216,516,309.82
  5. Step 5: Solve for x
    x = 216,516,309.82/15,095.22
  6. Step 6: Final answer
    x = 14,343.37

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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.