Home / 17,990.34-26,987.12-4,842.42

Finding the Fourth Proportional to 17,990.34, 26,987.12 and 4,842.42

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Solution

The fourth proportional to 17,990.34, 26,987.12 and 4,842.42 is: 7,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.34 : 26,987.12 = 4,842.42 : x
  2. Step 2: Convert to fraction form
    17,990.34/26,987.12 = 4,842.42/x
  3. Step 3: Cross multiply
    17,990.34x = 26,987.12 × 4,842.42
  4. Step 4: Simplify right side
    17,990.34x = 130,682,969.63
  5. Step 5: Solve for x
    x = 130,682,969.63/17,990.34
  6. Step 6: Final answer
    x = 7,264.06

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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.