Home / 19,099.60-28,634.51-9,099.14

Finding the Fourth Proportional to 19,099.60, 28,634.51 and 9,099.14

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Solution

The fourth proportional to 19,099.60, 28,634.51 and 9,099.14 is: 13,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.60 : 28,634.51 = 9,099.14 : x
  2. Step 2: Convert to fraction form
    19,099.60/28,634.51 = 9,099.14/x
  3. Step 3: Cross multiply
    19,099.60x = 28,634.51 × 9,099.14
  4. Step 4: Simplify right side
    19,099.60x = 260,549,294.90
  5. Step 5: Solve for x
    x = 260,549,294.90/19,099.60
  6. Step 6: Final answer
    x = 13,641.61

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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.