Home / 9,618.60-14,438.70-5,725.20

Finding the Fourth Proportional to 9,618.60, 14,438.70 and 5,725.20

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Solution

The fourth proportional to 9,618.60, 14,438.70 and 5,725.20 is: 8,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.60 : 14,438.70 = 5,725.20 : x
  2. Step 2: Convert to fraction form
    9,618.60/14,438.70 = 5,725.20/x
  3. Step 3: Cross multiply
    9,618.60x = 14,438.70 × 5,725.20
  4. Step 4: Simplify right side
    9,618.60x = 82,664,445.24
  5. Step 5: Solve for x
    x = 82,664,445.24/9,618.60
  6. Step 6: Final answer
    x = 8,594.23

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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.