Home / 18,180.54-27,271.42-5,031.81

Finding the Fourth Proportional to 18,180.54, 27,271.42 and 5,031.81

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Solution

The fourth proportional to 18,180.54, 27,271.42 and 5,031.81 is: 7,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.54 : 27,271.42 = 5,031.81 : x
  2. Step 2: Convert to fraction form
    18,180.54/27,271.42 = 5,031.81/x
  3. Step 3: Cross multiply
    18,180.54x = 27,271.42 × 5,031.81
  4. Step 4: Simplify right side
    18,180.54x = 137,224,591.29
  5. Step 5: Solve for x
    x = 137,224,591.29/18,180.54
  6. Step 6: Final answer
    x = 7,547.88

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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.