Home / 9,947.19-14,920.81-2,551.68

Finding the Fourth Proportional to 9,947.19, 14,920.81 and 2,551.68

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Solution

The fourth proportional to 9,947.19, 14,920.81 and 2,551.68 is: 3,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.19 : 14,920.81 = 2,551.68 : x
  2. Step 2: Convert to fraction form
    9,947.19/14,920.81 = 2,551.68/x
  3. Step 3: Cross multiply
    9,947.19x = 14,920.81 × 2,551.68
  4. Step 4: Simplify right side
    9,947.19x = 38,073,132.46
  5. Step 5: Solve for x
    x = 38,073,132.46/9,947.19
  6. Step 6: Final answer
    x = 3,827.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.