Home / 18,287.16-27,434.84-5,807.12

Finding the Fourth Proportional to 18,287.16, 27,434.84 and 5,807.12

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Solution

The fourth proportional to 18,287.16, 27,434.84 and 5,807.12 is: 8,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.16 : 27,434.84 = 5,807.12 : x
  2. Step 2: Convert to fraction form
    18,287.16/27,434.84 = 5,807.12/x
  3. Step 3: Cross multiply
    18,287.16x = 27,434.84 × 5,807.12
  4. Step 4: Simplify right side
    18,287.16x = 159,317,408.06
  5. Step 5: Solve for x
    x = 159,317,408.06/18,287.16
  6. Step 6: Final answer
    x = 8,711.98

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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.