Home / 10,113.17-15,140.57-8,451.05

Finding the Fourth Proportional to 10,113.17, 15,140.57 and 8,451.05

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Solution

The fourth proportional to 10,113.17, 15,140.57 and 8,451.05 is: 12,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.17 : 15,140.57 = 8,451.05 : x
  2. Step 2: Convert to fraction form
    10,113.17/15,140.57 = 8,451.05/x
  3. Step 3: Cross multiply
    10,113.17x = 15,140.57 × 8,451.05
  4. Step 4: Simplify right side
    10,113.17x = 127,953,596.14
  5. Step 5: Solve for x
    x = 127,953,596.14/10,113.17
  6. Step 6: Final answer
    x = 12,652.18

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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.