Home / 15,701.50-23,555.72-5,174.76

Finding the Fourth Proportional to 15,701.50, 23,555.72 and 5,174.76

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Solution

The fourth proportional to 15,701.50, 23,555.72 and 5,174.76 is: 7,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.50 : 23,555.72 = 5,174.76 : x
  2. Step 2: Convert to fraction form
    15,701.50/23,555.72 = 5,174.76/x
  3. Step 3: Cross multiply
    15,701.50x = 23,555.72 × 5,174.76
  4. Step 4: Simplify right side
    15,701.50x = 121,895,197.63
  5. Step 5: Solve for x
    x = 121,895,197.63/15,701.50
  6. Step 6: Final answer
    x = 7,763.28

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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.