Home / 17,953.28-26,931-5,474.20

Finding the Fourth Proportional to 17,953.28, 26,931 and 5,474.20

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Solution

The fourth proportional to 17,953.28, 26,931 and 5,474.20 is: 8,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.28 : 26,931 = 5,474.20 : x
  2. Step 2: Convert to fraction form
    17,953.28/26,931 = 5,474.20/x
  3. Step 3: Cross multiply
    17,953.28x = 26,931 × 5,474.20
  4. Step 4: Simplify right side
    17,953.28x = 147,425,680.20
  5. Step 5: Solve for x
    x = 147,425,680.20/17,953.28
  6. Step 6: Final answer
    x = 8,211.63

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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.