Home / 15,540.18-23,319.18-5,678.16

Finding the Fourth Proportional to 15,540.18, 23,319.18 and 5,678.16

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Solution

The fourth proportional to 15,540.18, 23,319.18 and 5,678.16 is: 8,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.18 : 23,319.18 = 5,678.16 : x
  2. Step 2: Convert to fraction form
    15,540.18/23,319.18 = 5,678.16/x
  3. Step 3: Cross multiply
    15,540.18x = 23,319.18 × 5,678.16
  4. Step 4: Simplify right side
    15,540.18x = 132,410,035.11
  5. Step 5: Solve for x
    x = 132,410,035.11/15,540.18
  6. Step 6: Final answer
    x = 8,520.50

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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.