Home / 15,421.31-23,124.75-5,559.29

Finding the Fourth Proportional to 15,421.31, 23,124.75 and 5,559.29

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Solution

The fourth proportional to 15,421.31, 23,124.75 and 5,559.29 is: 8,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.31 : 23,124.75 = 5,559.29 : x
  2. Step 2: Convert to fraction form
    15,421.31/23,124.75 = 5,559.29/x
  3. Step 3: Cross multiply
    15,421.31x = 23,124.75 × 5,559.29
  4. Step 4: Simplify right side
    15,421.31x = 128,557,191.43
  5. Step 5: Solve for x
    x = 128,557,191.43/15,421.31
  6. Step 6: Final answer
    x = 8,336.33

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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.