Home / 18,710.32-28,060.60-5,559.16

Finding the Fourth Proportional to 18,710.32, 28,060.60 and 5,559.16

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Solution

The fourth proportional to 18,710.32, 28,060.60 and 5,559.16 is: 8,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.32 : 28,060.60 = 5,559.16 : x
  2. Step 2: Convert to fraction form
    18,710.32/28,060.60 = 5,559.16/x
  3. Step 3: Cross multiply
    18,710.32x = 28,060.60 × 5,559.16
  4. Step 4: Simplify right side
    18,710.32x = 155,993,365.10
  5. Step 5: Solve for x
    x = 155,993,365.10/18,710.32
  6. Step 6: Final answer
    x = 8,337.29

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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.