Home / 15,704.40-23,570.28-8,314.16

Finding the Fourth Proportional to 15,704.40, 23,570.28 and 8,314.16

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Solution

The fourth proportional to 15,704.40, 23,570.28 and 8,314.16 is: 12,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.40 : 23,570.28 = 8,314.16 : x
  2. Step 2: Convert to fraction form
    15,704.40/23,570.28 = 8,314.16/x
  3. Step 3: Cross multiply
    15,704.40x = 23,570.28 × 8,314.16
  4. Step 4: Simplify right side
    15,704.40x = 195,967,079.16
  5. Step 5: Solve for x
    x = 195,967,079.16/15,704.40
  6. Step 6: Final answer
    x = 12,478.48

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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.