Home / 10,109.28-15,159.28-4,262.68

Finding the Fourth Proportional to 10,109.28, 15,159.28 and 4,262.68

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Solution

The fourth proportional to 10,109.28, 15,159.28 and 4,262.68 is: 6,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.28 : 15,159.28 = 4,262.68 : x
  2. Step 2: Convert to fraction form
    10,109.28/15,159.28 = 4,262.68/x
  3. Step 3: Cross multiply
    10,109.28x = 15,159.28 × 4,262.68
  4. Step 4: Simplify right side
    10,109.28x = 64,619,159.67
  5. Step 5: Solve for x
    x = 64,619,159.67/10,109.28
  6. Step 6: Final answer
    x = 6,392.06

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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.