Home / 15,074.43-20,803.33-9,104.93

Finding the Fourth Proportional to 15,074.43, 20,803.33 and 9,104.93

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Solution

The fourth proportional to 15,074.43, 20,803.33 and 9,104.93 is: 12,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.43 : 20,803.33 = 9,104.93 : x
  2. Step 2: Convert to fraction form
    15,074.43/20,803.33 = 9,104.93/x
  3. Step 3: Cross multiply
    15,074.43x = 20,803.33 × 9,104.93
  4. Step 4: Simplify right side
    15,074.43x = 189,412,814.65
  5. Step 5: Solve for x
    x = 189,412,814.65/15,074.43
  6. Step 6: Final answer
    x = 12,565.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.