Home / 10,146.55-13,948.47-8,725.03

Finding the Fourth Proportional to 10,146.55, 13,948.47 and 8,725.03

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Solution

The fourth proportional to 10,146.55, 13,948.47 and 8,725.03 is: 11,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.55 : 13,948.47 = 8,725.03 : x
  2. Step 2: Convert to fraction form
    10,146.55/13,948.47 = 8,725.03/x
  3. Step 3: Cross multiply
    10,146.55x = 13,948.47 × 8,725.03
  4. Step 4: Simplify right side
    10,146.55x = 121,700,819.20
  5. Step 5: Solve for x
    x = 121,700,819.20/10,146.55
  6. Step 6: Final answer
    x = 11,994.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.