Home / 10,659.16-15,988.80-2,761.13

Finding the Fourth Proportional to 10,659.16, 15,988.80 and 2,761.13

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Solution

The fourth proportional to 10,659.16, 15,988.80 and 2,761.13 is: 4,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.16 : 15,988.80 = 2,761.13 : x
  2. Step 2: Convert to fraction form
    10,659.16/15,988.80 = 2,761.13/x
  3. Step 3: Cross multiply
    10,659.16x = 15,988.80 × 2,761.13
  4. Step 4: Simplify right side
    10,659.16x = 44,147,075.40
  5. Step 5: Solve for x
    x = 44,147,075.40/10,659.16
  6. Step 6: Final answer
    x = 4,141.70

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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.