Home / 10,193.07-15,291.13-3,618.71

Finding the Fourth Proportional to 10,193.07, 15,291.13 and 3,618.71

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Solution

The fourth proportional to 10,193.07, 15,291.13 and 3,618.71 is: 5,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.07 : 15,291.13 = 3,618.71 : x
  2. Step 2: Convert to fraction form
    10,193.07/15,291.13 = 3,618.71/x
  3. Step 3: Cross multiply
    10,193.07x = 15,291.13 × 3,618.71
  4. Step 4: Simplify right side
    10,193.07x = 55,334,070.49
  5. Step 5: Solve for x
    x = 55,334,070.49/10,193.07
  6. Step 6: Final answer
    x = 5,428.60

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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.