Home / 17,990.33-26,988.75-5,510.12

Finding the Fourth Proportional to 17,990.33, 26,988.75 and 5,510.12

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Solution

The fourth proportional to 17,990.33, 26,988.75 and 5,510.12 is: 8,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.33 : 26,988.75 = 5,510.12 : x
  2. Step 2: Convert to fraction form
    17,990.33/26,988.75 = 5,510.12/x
  3. Step 3: Cross multiply
    17,990.33x = 26,988.75 × 5,510.12
  4. Step 4: Simplify right side
    17,990.33x = 148,711,116.21
  5. Step 5: Solve for x
    x = 148,711,116.21/17,990.33
  6. Step 6: Final answer
    x = 8,266.17

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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.