Home / 15,944.40-22,011.24-12,351.36

Finding the Fourth Proportional to 15,944.40, 22,011.24 and 12,351.36

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Solution

The fourth proportional to 15,944.40, 22,011.24 and 12,351.36 is: 17,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.40 : 22,011.24 = 12,351.36 : x
  2. Step 2: Convert to fraction form
    15,944.40/22,011.24 = 12,351.36/x
  3. Step 3: Cross multiply
    15,944.40x = 22,011.24 × 12,351.36
  4. Step 4: Simplify right side
    15,944.40x = 271,868,749.29
  5. Step 5: Solve for x
    x = 271,868,749.29/15,944.40
  6. Step 6: Final answer
    x = 17,051.05

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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.