Home / 15,515.79-23,255.19-10,810.32

Finding the Fourth Proportional to 15,515.79, 23,255.19 and 10,810.32

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Solution

The fourth proportional to 15,515.79, 23,255.19 and 10,810.32 is: 16,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.79 : 23,255.19 = 10,810.32 : x
  2. Step 2: Convert to fraction form
    15,515.79/23,255.19 = 10,810.32/x
  3. Step 3: Cross multiply
    15,515.79x = 23,255.19 × 10,810.32
  4. Step 4: Simplify right side
    15,515.79x = 251,396,045.56
  5. Step 5: Solve for x
    x = 251,396,045.56/15,515.79
  6. Step 6: Final answer
    x = 16,202.59

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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.