Home / 15,701.20-23,551.80-5,312.80

Finding the Fourth Proportional to 15,701.20, 23,551.80 and 5,312.80

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Solution

The fourth proportional to 15,701.20, 23,551.80 and 5,312.80 is: 7,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.20 : 23,551.80 = 5,312.80 : x
  2. Step 2: Convert to fraction form
    15,701.20/23,551.80 = 5,312.80/x
  3. Step 3: Cross multiply
    15,701.20x = 23,551.80 × 5,312.80
  4. Step 4: Simplify right side
    15,701.20x = 125,126,003.04
  5. Step 5: Solve for x
    x = 125,126,003.04/15,701.20
  6. Step 6: Final answer
    x = 7,969.20

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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.