Home / 15,451.04-23,158.01-7,119.62

Finding the Fourth Proportional to 15,451.04, 23,158.01 and 7,119.62

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Solution

The fourth proportional to 15,451.04, 23,158.01 and 7,119.62 is: 10,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.04 : 23,158.01 = 7,119.62 : x
  2. Step 2: Convert to fraction form
    15,451.04/23,158.01 = 7,119.62/x
  3. Step 3: Cross multiply
    15,451.04x = 23,158.01 × 7,119.62
  4. Step 4: Simplify right side
    15,451.04x = 164,876,133.17
  5. Step 5: Solve for x
    x = 164,876,133.17/15,451.04
  6. Step 6: Final answer
    x = 10,670.88

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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.