Home / 17,612.48-26,392.80-7,742.72

Finding the Fourth Proportional to 17,612.48, 26,392.80 and 7,742.72

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Solution

The fourth proportional to 17,612.48, 26,392.80 and 7,742.72 is: 11,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.48 : 26,392.80 = 7,742.72 : x
  2. Step 2: Convert to fraction form
    17,612.48/26,392.80 = 7,742.72/x
  3. Step 3: Cross multiply
    17,612.48x = 26,392.80 × 7,742.72
  4. Step 4: Simplify right side
    17,612.48x = 204,352,060.42
  5. Step 5: Solve for x
    x = 204,352,060.42/17,612.48
  6. Step 6: Final answer
    x = 11,602.69

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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.