Home / 18,627.42-27,959.48-13,683.18

Finding the Fourth Proportional to 18,627.42, 27,959.48 and 13,683.18

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Solution

The fourth proportional to 18,627.42, 27,959.48 and 13,683.18 is: 20,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.42 : 27,959.48 = 13,683.18 : x
  2. Step 2: Convert to fraction form
    18,627.42/27,959.48 = 13,683.18/x
  3. Step 3: Cross multiply
    18,627.42x = 27,959.48 × 13,683.18
  4. Step 4: Simplify right side
    18,627.42x = 382,574,491.96
  5. Step 5: Solve for x
    x = 382,574,491.96/18,627.42
  6. Step 6: Final answer
    x = 20,538.25

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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.