Home / 10,154.52-15,236.32-6,455.76

Finding the Fourth Proportional to 10,154.52, 15,236.32 and 6,455.76

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Solution

The fourth proportional to 10,154.52, 15,236.32 and 6,455.76 is: 9,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.52 : 15,236.32 = 6,455.76 : x
  2. Step 2: Convert to fraction form
    10,154.52/15,236.32 = 6,455.76/x
  3. Step 3: Cross multiply
    10,154.52x = 15,236.32 × 6,455.76
  4. Step 4: Simplify right side
    10,154.52x = 98,362,025.20
  5. Step 5: Solve for x
    x = 98,362,025.20/10,154.52
  6. Step 6: Final answer
    x = 9,686.53

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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.