Home / 15,944.90-22,011.93-12,351.86

Finding the Fourth Proportional to 15,944.90, 22,011.93 and 12,351.86

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Solution

The fourth proportional to 15,944.90, 22,011.93 and 12,351.86 is: 17,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.90 : 22,011.93 = 12,351.86 : x
  2. Step 2: Convert to fraction form
    15,944.90/22,011.93 = 12,351.86/x
  3. Step 3: Cross multiply
    15,944.90x = 22,011.93 × 12,351.86
  4. Step 4: Simplify right side
    15,944.90x = 271,888,277.69
  5. Step 5: Solve for x
    x = 271,888,277.69/15,944.90
  6. Step 6: Final answer
    x = 17,051.74

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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.