Home / 18,218.53-25,140.66-10,261.24

Finding the Fourth Proportional to 18,218.53, 25,140.66 and 10,261.24

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Solution

The fourth proportional to 18,218.53, 25,140.66 and 10,261.24 is: 14,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.53 : 25,140.66 = 10,261.24 : x
  2. Step 2: Convert to fraction form
    18,218.53/25,140.66 = 10,261.24/x
  3. Step 3: Cross multiply
    18,218.53x = 25,140.66 × 10,261.24
  4. Step 4: Simplify right side
    18,218.53x = 257,974,346.02
  5. Step 5: Solve for x
    x = 257,974,346.02/18,218.53
  6. Step 6: Final answer
    x = 14,160.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.