Home / 15,379.20-23,068.32-5,519.04

Finding the Fourth Proportional to 15,379.20, 23,068.32 and 5,519.04

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Solution

The fourth proportional to 15,379.20, 23,068.32 and 5,519.04 is: 8,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.20 : 23,068.32 = 5,519.04 : x
  2. Step 2: Convert to fraction form
    15,379.20/23,068.32 = 5,519.04/x
  3. Step 3: Cross multiply
    15,379.20x = 23,068.32 × 5,519.04
  4. Step 4: Simplify right side
    15,379.20x = 127,314,980.81
  5. Step 5: Solve for x
    x = 127,314,980.81/15,379.20
  6. Step 6: Final answer
    x = 8,278.39

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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.