Home / 12,531.56-17,292.89-6,865.26

Finding the Fourth Proportional to 12,531.56, 17,292.89 and 6,865.26

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Solution

The fourth proportional to 12,531.56, 17,292.89 and 6,865.26 is: 9,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.56 : 17,292.89 = 6,865.26 : x
  2. Step 2: Convert to fraction form
    12,531.56/17,292.89 = 6,865.26/x
  3. Step 3: Cross multiply
    12,531.56x = 17,292.89 × 6,865.26
  4. Step 4: Simplify right side
    12,531.56x = 118,720,138.32
  5. Step 5: Solve for x
    x = 118,720,138.32/12,531.56
  6. Step 6: Final answer
    x = 9,473.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.