Home / 18,180.26-27,270.99-5,031.53

Finding the Fourth Proportional to 18,180.26, 27,270.99 and 5,031.53

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Solution

The fourth proportional to 18,180.26, 27,270.99 and 5,031.53 is: 7,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.26 : 27,270.99 = 5,031.53 : x
  2. Step 2: Convert to fraction form
    18,180.26/27,270.99 = 5,031.53/x
  3. Step 3: Cross multiply
    18,180.26x = 27,270.99 × 5,031.53
  4. Step 4: Simplify right side
    18,180.26x = 137,214,779.16
  5. Step 5: Solve for x
    x = 137,214,779.16/18,180.26
  6. Step 6: Final answer
    x = 7,547.46

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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.