Home / 15,456.44-21,324.30-10,154.12

Finding the Fourth Proportional to 15,456.44, 21,324.30 and 10,154.12

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Solution

The fourth proportional to 15,456.44, 21,324.30 and 10,154.12 is: 14,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.44 : 21,324.30 = 10,154.12 : x
  2. Step 2: Convert to fraction form
    15,456.44/21,324.30 = 10,154.12/x
  3. Step 3: Cross multiply
    15,456.44x = 21,324.30 × 10,154.12
  4. Step 4: Simplify right side
    15,456.44x = 216,529,501.12
  5. Step 5: Solve for x
    x = 216,529,501.12/15,456.44
  6. Step 6: Final answer
    x = 14,009.02

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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.