Home / 11,283.30-15,565.74-7,305.70

Finding the Fourth Proportional to 11,283.30, 15,565.74 and 7,305.70

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Solution

The fourth proportional to 11,283.30, 15,565.74 and 7,305.70 is: 10,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.30 : 15,565.74 = 7,305.70 : x
  2. Step 2: Convert to fraction form
    11,283.30/15,565.74 = 7,305.70/x
  3. Step 3: Cross multiply
    11,283.30x = 15,565.74 × 7,305.70
  4. Step 4: Simplify right side
    11,283.30x = 113,718,626.72
  5. Step 5: Solve for x
    x = 113,718,626.72/11,283.30
  6. Step 6: Final answer
    x = 10,078.49

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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.