Home / 15,701.54-23,555.56-5,172.20

Finding the Fourth Proportional to 15,701.54, 23,555.56 and 5,172.20

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Solution

The fourth proportional to 15,701.54, 23,555.56 and 5,172.20 is: 7,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.54 : 23,555.56 = 5,172.20 : x
  2. Step 2: Convert to fraction form
    15,701.54/23,555.56 = 5,172.20/x
  3. Step 3: Cross multiply
    15,701.54x = 23,555.56 × 5,172.20
  4. Step 4: Simplify right side
    15,701.54x = 121,834,113.62
  5. Step 5: Solve for x
    x = 121,834,113.62/15,701.54
  6. Step 6: Final answer
    x = 7,759.37

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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.