Home / 18,343.49-27,515.24-6,656.69

Finding the Fourth Proportional to 18,343.49, 27,515.24 and 6,656.69

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Solution

The fourth proportional to 18,343.49, 27,515.24 and 6,656.69 is: 9,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.49 : 27,515.24 = 6,656.69 : x
  2. Step 2: Convert to fraction form
    18,343.49/27,515.24 = 6,656.69/x
  3. Step 3: Cross multiply
    18,343.49x = 27,515.24 × 6,656.69
  4. Step 4: Simplify right side
    18,343.49x = 183,160,389.67
  5. Step 5: Solve for x
    x = 183,160,389.67/18,343.49
  6. Step 6: Final answer
    x = 9,985.04

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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.