Home / 10,205.51-15,314.18-4,281.88

Finding the Fourth Proportional to 10,205.51, 15,314.18 and 4,281.88

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Solution

The fourth proportional to 10,205.51, 15,314.18 and 4,281.88 is: 6,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.51 : 15,314.18 = 4,281.88 : x
  2. Step 2: Convert to fraction form
    10,205.51/15,314.18 = 4,281.88/x
  3. Step 3: Cross multiply
    10,205.51x = 15,314.18 × 4,281.88
  4. Step 4: Simplify right side
    10,205.51x = 65,573,481.06
  5. Step 5: Solve for x
    x = 65,573,481.06/10,205.51
  6. Step 6: Final answer
    x = 6,425.30

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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.