Home / 15,969.12-22,014.56-11,238.72

Finding the Fourth Proportional to 15,969.12, 22,014.56 and 11,238.72

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Solution

The fourth proportional to 15,969.12, 22,014.56 and 11,238.72 is: 15,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.12 : 22,014.56 = 11,238.72 : x
  2. Step 2: Convert to fraction form
    15,969.12/22,014.56 = 11,238.72/x
  3. Step 3: Cross multiply
    15,969.12x = 22,014.56 × 11,238.72
  4. Step 4: Simplify right side
    15,969.12x = 247,415,475.76
  5. Step 5: Solve for x
    x = 247,415,475.76/15,969.12
  6. Step 6: Final answer
    x = 15,493.37

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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.