Home / 15,543.60-23,314.98-3,856.68

Finding the Fourth Proportional to 15,543.60, 23,314.98 and 3,856.68

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Solution

The fourth proportional to 15,543.60, 23,314.98 and 3,856.68 is: 5,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.60 : 23,314.98 = 3,856.68 : x
  2. Step 2: Convert to fraction form
    15,543.60/23,314.98 = 3,856.68/x
  3. Step 3: Cross multiply
    15,543.60x = 23,314.98 × 3,856.68
  4. Step 4: Simplify right side
    15,543.60x = 89,918,417.07
  5. Step 5: Solve for x
    x = 89,918,417.07/15,543.60
  6. Step 6: Final answer
    x = 5,784.92

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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.