Home / 10,260.90-15,393.76-3,335.40

Finding the Fourth Proportional to 10,260.90, 15,393.76 and 3,335.40

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Solution

The fourth proportional to 10,260.90, 15,393.76 and 3,335.40 is: 5,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.90 : 15,393.76 = 3,335.40 : x
  2. Step 2: Convert to fraction form
    10,260.90/15,393.76 = 3,335.40/x
  3. Step 3: Cross multiply
    10,260.90x = 15,393.76 × 3,335.40
  4. Step 4: Simplify right side
    10,260.90x = 51,344,347.10
  5. Step 5: Solve for x
    x = 51,344,347.10/10,260.90
  6. Step 6: Final answer
    x = 5,003.88

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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.