Home / 15,104.74-22,660.26-7,612.51

Finding the Fourth Proportional to 15,104.74, 22,660.26 and 7,612.51

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Solution

The fourth proportional to 15,104.74, 22,660.26 and 7,612.51 is: 11,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.74 : 22,660.26 = 7,612.51 : x
  2. Step 2: Convert to fraction form
    15,104.74/22,660.26 = 7,612.51/x
  3. Step 3: Cross multiply
    15,104.74x = 22,660.26 × 7,612.51
  4. Step 4: Simplify right side
    15,104.74x = 172,501,455.85
  5. Step 5: Solve for x
    x = 172,501,455.85/15,104.74
  6. Step 6: Final answer
    x = 11,420.35

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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.