Home / 15,931.20-23,848.20-14,181.60

Finding the Fourth Proportional to 15,931.20, 23,848.20 and 14,181.60

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Solution

The fourth proportional to 15,931.20, 23,848.20 and 14,181.60 is: 21,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.20 : 23,848.20 = 14,181.60 : x
  2. Step 2: Convert to fraction form
    15,931.20/23,848.20 = 14,181.60/x
  3. Step 3: Cross multiply
    15,931.20x = 23,848.20 × 14,181.60
  4. Step 4: Simplify right side
    15,931.20x = 338,205,633.12
  5. Step 5: Solve for x
    x = 338,205,633.12/15,931.20
  6. Step 6: Final answer
    x = 21,229.14

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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.