Home / 18,340.02-27,506.16-5,188.86

Finding the Fourth Proportional to 18,340.02, 27,506.16 and 5,188.86

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Solution

The fourth proportional to 18,340.02, 27,506.16 and 5,188.86 is: 7,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.02 : 27,506.16 = 5,188.86 : x
  2. Step 2: Convert to fraction form
    18,340.02/27,506.16 = 5,188.86/x
  3. Step 3: Cross multiply
    18,340.02x = 27,506.16 × 5,188.86
  4. Step 4: Simplify right side
    18,340.02x = 142,725,613.38
  5. Step 5: Solve for x
    x = 142,725,613.38/18,340.02
  6. Step 6: Final answer
    x = 7,782.20

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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.