Home / 15,972.56-23,914.80-12,065.12

Finding the Fourth Proportional to 15,972.56, 23,914.80 and 12,065.12

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Solution

The fourth proportional to 15,972.56, 23,914.80 and 12,065.12 is: 18,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.56 : 23,914.80 = 12,065.12 : x
  2. Step 2: Convert to fraction form
    15,972.56/23,914.80 = 12,065.12/x
  3. Step 3: Cross multiply
    15,972.56x = 23,914.80 × 12,065.12
  4. Step 4: Simplify right side
    15,972.56x = 288,534,931.78
  5. Step 5: Solve for x
    x = 288,534,931.78/15,972.56
  6. Step 6: Final answer
    x = 18,064.41

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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.