Home / 14,715.39-20,293.79-10,947.99

Finding the Fourth Proportional to 14,715.39, 20,293.79 and 10,947.99

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Solution

The fourth proportional to 14,715.39, 20,293.79 and 10,947.99 is: 15,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.39 : 20,293.79 = 10,947.99 : x
  2. Step 2: Convert to fraction form
    14,715.39/20,293.79 = 10,947.99/x
  3. Step 3: Cross multiply
    14,715.39x = 20,293.79 × 10,947.99
  4. Step 4: Simplify right side
    14,715.39x = 222,176,155.24
  5. Step 5: Solve for x
    x = 222,176,155.24/14,715.39
  6. Step 6: Final answer
    x = 15,098.22

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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.