Home / 14,320.49-19,763.46-7,947.68

Finding the Fourth Proportional to 14,320.49, 19,763.46 and 7,947.68

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Solution

The fourth proportional to 14,320.49, 19,763.46 and 7,947.68 is: 10,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.49 : 19,763.46 = 7,947.68 : x
  2. Step 2: Convert to fraction form
    14,320.49/19,763.46 = 7,947.68/x
  3. Step 3: Cross multiply
    14,320.49x = 19,763.46 × 7,947.68
  4. Step 4: Simplify right side
    14,320.49x = 157,073,556.96
  5. Step 5: Solve for x
    x = 157,073,556.96/14,320.49
  6. Step 6: Final answer
    x = 10,968.45

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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.