Home / 15,558.60-23,319.45-8,971.19

Finding the Fourth Proportional to 15,558.60, 23,319.45 and 8,971.19

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Solution

The fourth proportional to 15,558.60, 23,319.45 and 8,971.19 is: 13,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.60 : 23,319.45 = 8,971.19 : x
  2. Step 2: Convert to fraction form
    15,558.60/23,319.45 = 8,971.19/x
  3. Step 3: Cross multiply
    15,558.60x = 23,319.45 × 8,971.19
  4. Step 4: Simplify right side
    15,558.60x = 209,203,100.05
  5. Step 5: Solve for x
    x = 209,203,100.05/15,558.60
  6. Step 6: Final answer
    x = 13,446.14

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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.