Home / 23,319.40-34,983.60-9,992.20

Finding the Fourth Proportional to 23,319.40, 34,983.60 and 9,992.20

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Solution

The fourth proportional to 23,319.40, 34,983.60 and 9,992.20 is: 14,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.40 : 34,983.60 = 9,992.20 : x
  2. Step 2: Convert to fraction form
    23,319.40/34,983.60 = 9,992.20/x
  3. Step 3: Cross multiply
    23,319.40x = 34,983.60 × 9,992.20
  4. Step 4: Simplify right side
    23,319.40x = 349,563,127.92
  5. Step 5: Solve for x
    x = 349,563,127.92/23,319.40
  6. Step 6: Final answer
    x = 14,990.23

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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.