Home / 10,103.04-15,154.80-3,439.52

Finding the Fourth Proportional to 10,103.04, 15,154.80 and 3,439.52

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Solution

The fourth proportional to 10,103.04, 15,154.80 and 3,439.52 is: 5,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.04 : 15,154.80 = 3,439.52 : x
  2. Step 2: Convert to fraction form
    10,103.04/15,154.80 = 3,439.52/x
  3. Step 3: Cross multiply
    10,103.04x = 15,154.80 × 3,439.52
  4. Step 4: Simplify right side
    10,103.04x = 52,125,161.92
  5. Step 5: Solve for x
    x = 52,125,161.92/10,103.04
  6. Step 6: Final answer
    x = 5,159.35

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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.