Home / 10,089.09-15,134.45-3,515.13

Finding the Fourth Proportional to 10,089.09, 15,134.45 and 3,515.13

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Solution

The fourth proportional to 10,089.09, 15,134.45 and 3,515.13 is: 5,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.09 : 15,134.45 = 3,515.13 : x
  2. Step 2: Convert to fraction form
    10,089.09/15,134.45 = 3,515.13/x
  3. Step 3: Cross multiply
    10,089.09x = 15,134.45 × 3,515.13
  4. Step 4: Simplify right side
    10,089.09x = 53,199,541.65
  5. Step 5: Solve for x
    x = 53,199,541.65/10,089.09
  6. Step 6: Final answer
    x = 5,272.98

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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.