Home / 15,878.16-23,816.28-7,110.72

Finding the Fourth Proportional to 15,878.16, 23,816.28 and 7,110.72

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Solution

The fourth proportional to 15,878.16, 23,816.28 and 7,110.72 is: 10,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.16 : 23,816.28 = 7,110.72 : x
  2. Step 2: Convert to fraction form
    15,878.16/23,816.28 = 7,110.72/x
  3. Step 3: Cross multiply
    15,878.16x = 23,816.28 × 7,110.72
  4. Step 4: Simplify right side
    15,878.16x = 169,350,898.52
  5. Step 5: Solve for x
    x = 169,350,898.52/15,878.16
  6. Step 6: Final answer
    x = 10,665.65

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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.