Home / 14,947.17-20,628.55-11,163.76

Finding the Fourth Proportional to 14,947.17, 20,628.55 and 11,163.76

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Solution

The fourth proportional to 14,947.17, 20,628.55 and 11,163.76 is: 15,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.17 : 20,628.55 = 11,163.76 : x
  2. Step 2: Convert to fraction form
    14,947.17/20,628.55 = 11,163.76/x
  3. Step 3: Cross multiply
    14,947.17x = 20,628.55 × 11,163.76
  4. Step 4: Simplify right side
    14,947.17x = 230,292,125.53
  5. Step 5: Solve for x
    x = 230,292,125.53/14,947.17
  6. Step 6: Final answer
    x = 15,407.08

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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.