Home / 10,956.74-15,117.23-7,376.74

Finding the Fourth Proportional to 10,956.74, 15,117.23 and 7,376.74

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Solution

The fourth proportional to 10,956.74, 15,117.23 and 7,376.74 is: 10,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.74 : 15,117.23 = 7,376.74 : x
  2. Step 2: Convert to fraction form
    10,956.74/15,117.23 = 7,376.74/x
  3. Step 3: Cross multiply
    10,956.74x = 15,117.23 × 7,376.74
  4. Step 4: Simplify right side
    10,956.74x = 111,515,855.88
  5. Step 5: Solve for x
    x = 111,515,855.88/10,956.74
  6. Step 6: Final answer
    x = 10,177.84

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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.