Home / 15,744.80-23,617.20-8,746.40

Finding the Fourth Proportional to 15,744.80, 23,617.20 and 8,746.40

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Solution

The fourth proportional to 15,744.80, 23,617.20 and 8,746.40 is: 13,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.80 : 23,617.20 = 8,746.40 : x
  2. Step 2: Convert to fraction form
    15,744.80/23,617.20 = 8,746.40/x
  3. Step 3: Cross multiply
    15,744.80x = 23,617.20 × 8,746.40
  4. Step 4: Simplify right side
    15,744.80x = 206,565,478.08
  5. Step 5: Solve for x
    x = 206,565,478.08/15,744.80
  6. Step 6: Final answer
    x = 13,119.60

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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.