Home / 10,275.36-15,402.78-4,351.56

Finding the Fourth Proportional to 10,275.36, 15,402.78 and 4,351.56

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Solution

The fourth proportional to 10,275.36, 15,402.78 and 4,351.56 is: 6,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.36 : 15,402.78 = 4,351.56 : x
  2. Step 2: Convert to fraction form
    10,275.36/15,402.78 = 4,351.56/x
  3. Step 3: Cross multiply
    10,275.36x = 15,402.78 × 4,351.56
  4. Step 4: Simplify right side
    10,275.36x = 67,026,121.34
  5. Step 5: Solve for x
    x = 67,026,121.34/10,275.36
  6. Step 6: Final answer
    x = 6,522.99

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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.