Home / 10,347.13-15,520.70-2,555.95

Finding the Fourth Proportional to 10,347.13, 15,520.70 and 2,555.95

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Solution

The fourth proportional to 10,347.13, 15,520.70 and 2,555.95 is: 3,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.13 : 15,520.70 = 2,555.95 : x
  2. Step 2: Convert to fraction form
    10,347.13/15,520.70 = 2,555.95/x
  3. Step 3: Cross multiply
    10,347.13x = 15,520.70 × 2,555.95
  4. Step 4: Simplify right side
    10,347.13x = 39,670,133.17
  5. Step 5: Solve for x
    x = 39,670,133.17/10,347.13
  6. Step 6: Final answer
    x = 3,833.93

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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.