Home / 17,990.47-26,987.50-5,510.35

Finding the Fourth Proportional to 17,990.47, 26,987.50 and 5,510.35

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Solution

The fourth proportional to 17,990.47, 26,987.50 and 5,510.35 is: 8,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.47 : 26,987.50 = 5,510.35 : x
  2. Step 2: Convert to fraction form
    17,990.47/26,987.50 = 5,510.35/x
  3. Step 3: Cross multiply
    17,990.47x = 26,987.50 × 5,510.35
  4. Step 4: Simplify right side
    17,990.47x = 148,710,510.04
  5. Step 5: Solve for x
    x = 148,710,510.04/17,990.47
  6. Step 6: Final answer
    x = 8,266.07

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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.