Home / 13,947.04-19,246.92-7,659.80

Finding the Fourth Proportional to 13,947.04, 19,246.92 and 7,659.80

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Solution

The fourth proportional to 13,947.04, 19,246.92 and 7,659.80 is: 10,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.04 : 19,246.92 = 7,659.80 : x
  2. Step 2: Convert to fraction form
    13,947.04/19,246.92 = 7,659.80/x
  3. Step 3: Cross multiply
    13,947.04x = 19,246.92 × 7,659.80
  4. Step 4: Simplify right side
    13,947.04x = 147,427,557.82
  5. Step 5: Solve for x
    x = 147,427,557.82/13,947.04
  6. Step 6: Final answer
    x = 10,570.53

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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.