Home / 10,190.10-15,290.91-5,510.04

Finding the Fourth Proportional to 10,190.10, 15,290.91 and 5,510.04

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Solution

The fourth proportional to 10,190.10, 15,290.91 and 5,510.04 is: 8,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.10 : 15,290.91 = 5,510.04 : x
  2. Step 2: Convert to fraction form
    10,190.10/15,290.91 = 5,510.04/x
  3. Step 3: Cross multiply
    10,190.10x = 15,290.91 × 5,510.04
  4. Step 4: Simplify right side
    10,190.10x = 84,253,525.74
  5. Step 5: Solve for x
    x = 84,253,525.74/10,190.10
  6. Step 6: Final answer
    x = 8,268.17

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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.