Home / 10,340.30-15,510.36-2,549.18

Finding the Fourth Proportional to 10,340.30, 15,510.36 and 2,549.18

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Solution

The fourth proportional to 10,340.30, 15,510.36 and 2,549.18 is: 3,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.30 : 15,510.36 = 2,549.18 : x
  2. Step 2: Convert to fraction form
    10,340.30/15,510.36 = 2,549.18/x
  3. Step 3: Cross multiply
    10,340.30x = 15,510.36 × 2,549.18
  4. Step 4: Simplify right side
    10,340.30x = 39,538,699.50
  5. Step 5: Solve for x
    x = 39,538,699.50/10,340.30
  6. Step 6: Final answer
    x = 3,823.75

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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.