Home / 15,744.64-23,612.10-6,986.92

Finding the Fourth Proportional to 15,744.64, 23,612.10 and 6,986.92

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Solution

The fourth proportional to 15,744.64, 23,612.10 and 6,986.92 is: 10,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.64 : 23,612.10 = 6,986.92 : x
  2. Step 2: Convert to fraction form
    15,744.64/23,612.10 = 6,986.92/x
  3. Step 3: Cross multiply
    15,744.64x = 23,612.10 × 6,986.92
  4. Step 4: Simplify right side
    15,744.64x = 164,975,853.73
  5. Step 5: Solve for x
    x = 164,975,853.73/15,744.64
  6. Step 6: Final answer
    x = 10,478.22

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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.