Home / 15,981.12-23,972.16-6,741.12

Finding the Fourth Proportional to 15,981.12, 23,972.16 and 6,741.12

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Solution

The fourth proportional to 15,981.12, 23,972.16 and 6,741.12 is: 10,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.12 : 23,972.16 = 6,741.12 : x
  2. Step 2: Convert to fraction form
    15,981.12/23,972.16 = 6,741.12/x
  3. Step 3: Cross multiply
    15,981.12x = 23,972.16 × 6,741.12
  4. Step 4: Simplify right side
    15,981.12x = 161,599,207.22
  5. Step 5: Solve for x
    x = 161,599,207.22/15,981.12
  6. Step 6: Final answer
    x = 10,111.88

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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.