Home / 18,307.15-27,465.89-5,159.64

Finding the Fourth Proportional to 18,307.15, 27,465.89 and 5,159.64

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Solution

The fourth proportional to 18,307.15, 27,465.89 and 5,159.64 is: 7,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.15 : 27,465.89 = 5,159.64 : x
  2. Step 2: Convert to fraction form
    18,307.15/27,465.89 = 5,159.64/x
  3. Step 3: Cross multiply
    18,307.15x = 27,465.89 × 5,159.64
  4. Step 4: Simplify right side
    18,307.15x = 141,714,104.68
  5. Step 5: Solve for x
    x = 141,714,104.68/18,307.15
  6. Step 6: Final answer
    x = 7,740.92

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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.