Home / 23,047.20-34,578.90-9,900.36

Finding the Fourth Proportional to 23,047.20, 34,578.90 and 9,900.36

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Solution

The fourth proportional to 23,047.20, 34,578.90 and 9,900.36 is: 14,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,047.20 : 34,578.90 = 9,900.36 : x
  2. Step 2: Convert to fraction form
    23,047.20/34,578.90 = 9,900.36/x
  3. Step 3: Cross multiply
    23,047.20x = 34,578.90 × 9,900.36
  4. Step 4: Simplify right side
    23,047.20x = 342,343,558.40
  5. Step 5: Solve for x
    x = 342,343,558.40/23,047.20
  6. Step 6: Final answer
    x = 14,854.02

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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.