Home / 15,399.80-23,081.59-6,956.45

Finding the Fourth Proportional to 15,399.80, 23,081.59 and 6,956.45

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Solution

The fourth proportional to 15,399.80, 23,081.59 and 6,956.45 is: 10,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.80 : 23,081.59 = 6,956.45 : x
  2. Step 2: Convert to fraction form
    15,399.80/23,081.59 = 6,956.45/x
  3. Step 3: Cross multiply
    15,399.80x = 23,081.59 × 6,956.45
  4. Step 4: Simplify right side
    15,399.80x = 160,565,776.57
  5. Step 5: Solve for x
    x = 160,565,776.57/15,399.80
  6. Step 6: Final answer
    x = 10,426.49

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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.