Home / 15,930.42-23,899.21-5,257.51

Finding the Fourth Proportional to 15,930.42, 23,899.21 and 5,257.51

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Solution

The fourth proportional to 15,930.42, 23,899.21 and 5,257.51 is: 7,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.42 : 23,899.21 = 5,257.51 : x
  2. Step 2: Convert to fraction form
    15,930.42/23,899.21 = 5,257.51/x
  3. Step 3: Cross multiply
    15,930.42x = 23,899.21 × 5,257.51
  4. Step 4: Simplify right side
    15,930.42x = 125,650,434.24
  5. Step 5: Solve for x
    x = 125,650,434.24/15,930.42
  6. Step 6: Final answer
    x = 7,887.45

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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.