Home / 38,315.88-57,473.10-10,613.16

Finding the Fourth Proportional to 38,315.88, 57,473.10 and 10,613.16

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Solution

The fourth proportional to 38,315.88, 57,473.10 and 10,613.16 is: 15,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.88 : 57,473.10 = 10,613.16 : x
  2. Step 2: Convert to fraction form
    38,315.88/57,473.10 = 10,613.16/x
  3. Step 3: Cross multiply
    38,315.88x = 57,473.10 × 10,613.16
  4. Step 4: Simplify right side
    38,315.88x = 609,971,206.00
  5. Step 5: Solve for x
    x = 609,971,206.00/38,315.88
  6. Step 6: Final answer
    x = 15,919.54

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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.