Home / 15,341.82-21,182.22-11,750.46

Finding the Fourth Proportional to 15,341.82, 21,182.22 and 11,750.46

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Solution

The fourth proportional to 15,341.82, 21,182.22 and 11,750.46 is: 16,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.82 : 21,182.22 = 11,750.46 : x
  2. Step 2: Convert to fraction form
    15,341.82/21,182.22 = 11,750.46/x
  3. Step 3: Cross multiply
    15,341.82x = 21,182.22 × 11,750.46
  4. Step 4: Simplify right side
    15,341.82x = 248,900,828.82
  5. Step 5: Solve for x
    x = 248,900,828.82/15,341.82
  6. Step 6: Final answer
    x = 16,223.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.