Home / 18,345.02-27,522.15-5,197.50

Finding the Fourth Proportional to 18,345.02, 27,522.15 and 5,197.50

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Solution

The fourth proportional to 18,345.02, 27,522.15 and 5,197.50 is: 7,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.02 : 27,522.15 = 5,197.50 : x
  2. Step 2: Convert to fraction form
    18,345.02/27,522.15 = 5,197.50/x
  3. Step 3: Cross multiply
    18,345.02x = 27,522.15 × 5,197.50
  4. Step 4: Simplify right side
    18,345.02x = 143,046,374.63
  5. Step 5: Solve for x
    x = 143,046,374.63/18,345.02
  6. Step 6: Final answer
    x = 7,797.56

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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.