Home / 15,513.39-23,272.25-5,657.31

Finding the Fourth Proportional to 15,513.39, 23,272.25 and 5,657.31

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Solution

The fourth proportional to 15,513.39, 23,272.25 and 5,657.31 is: 8,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.39 : 23,272.25 = 5,657.31 : x
  2. Step 2: Convert to fraction form
    15,513.39/23,272.25 = 5,657.31/x
  3. Step 3: Cross multiply
    15,513.39x = 23,272.25 × 5,657.31
  4. Step 4: Simplify right side
    15,513.39x = 131,658,304.36
  5. Step 5: Solve for x
    x = 131,658,304.36/15,513.39
  6. Step 6: Final answer
    x = 8,486.75

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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.