Home / 17,987.40-26,981.10-6,294.24

Finding the Fourth Proportional to 17,987.40, 26,981.10 and 6,294.24

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Solution

The fourth proportional to 17,987.40, 26,981.10 and 6,294.24 is: 9,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.40 : 26,981.10 = 6,294.24 : x
  2. Step 2: Convert to fraction form
    17,987.40/26,981.10 = 6,294.24/x
  3. Step 3: Cross multiply
    17,987.40x = 26,981.10 × 6,294.24
  4. Step 4: Simplify right side
    17,987.40x = 169,825,518.86
  5. Step 5: Solve for x
    x = 169,825,518.86/17,987.40
  6. Step 6: Final answer
    x = 9,441.36

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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.