Home / 15,636.60-23,454.90-5,776.20

Finding the Fourth Proportional to 15,636.60, 23,454.90 and 5,776.20

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Solution

The fourth proportional to 15,636.60, 23,454.90 and 5,776.20 is: 8,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.60 : 23,454.90 = 5,776.20 : x
  2. Step 2: Convert to fraction form
    15,636.60/23,454.90 = 5,776.20/x
  3. Step 3: Cross multiply
    15,636.60x = 23,454.90 × 5,776.20
  4. Step 4: Simplify right side
    15,636.60x = 135,480,193.38
  5. Step 5: Solve for x
    x = 135,480,193.38/15,636.60
  6. Step 6: Final answer
    x = 8,664.30

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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.