Home / 13,398.60-20,099.88-4,631.16

Finding the Fourth Proportional to 13,398.60, 20,099.88 and 4,631.16

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Solution

The fourth proportional to 13,398.60, 20,099.88 and 4,631.16 is: 6,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.60 : 20,099.88 = 4,631.16 : x
  2. Step 2: Convert to fraction form
    13,398.60/20,099.88 = 4,631.16/x
  3. Step 3: Cross multiply
    13,398.60x = 20,099.88 × 4,631.16
  4. Step 4: Simplify right side
    13,398.60x = 93,085,760.26
  5. Step 5: Solve for x
    x = 93,085,760.26/13,398.60
  6. Step 6: Final answer
    x = 6,947.42

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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.