Home / 10,079.04-15,118.56-4,155.84

Finding the Fourth Proportional to 10,079.04, 15,118.56 and 4,155.84

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Solution

The fourth proportional to 10,079.04, 15,118.56 and 4,155.84 is: 6,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.04 : 15,118.56 = 4,155.84 : x
  2. Step 2: Convert to fraction form
    10,079.04/15,118.56 = 4,155.84/x
  3. Step 3: Cross multiply
    10,079.04x = 15,118.56 × 4,155.84
  4. Step 4: Simplify right side
    10,079.04x = 62,830,316.39
  5. Step 5: Solve for x
    x = 62,830,316.39/10,079.04
  6. Step 6: Final answer
    x = 6,233.76

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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.