Home / 15,334.20-23,001.30-12,742.20

Finding the Fourth Proportional to 15,334.20, 23,001.30 and 12,742.20

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Solution

The fourth proportional to 15,334.20, 23,001.30 and 12,742.20 is: 19,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.20 : 23,001.30 = 12,742.20 : x
  2. Step 2: Convert to fraction form
    15,334.20/23,001.30 = 12,742.20/x
  3. Step 3: Cross multiply
    15,334.20x = 23,001.30 × 12,742.20
  4. Step 4: Simplify right side
    15,334.20x = 293,087,164.86
  5. Step 5: Solve for x
    x = 293,087,164.86/15,334.20
  6. Step 6: Final answer
    x = 19,113.30

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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.