Home / 8,873.52-12,256.36-6,645.35

Finding the Fourth Proportional to 8,873.52, 12,256.36 and 6,645.35

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Solution

The fourth proportional to 8,873.52, 12,256.36 and 6,645.35 is: 9,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.52 : 12,256.36 = 6,645.35 : x
  2. Step 2: Convert to fraction form
    8,873.52/12,256.36 = 6,645.35/x
  3. Step 3: Cross multiply
    8,873.52x = 12,256.36 × 6,645.35
  4. Step 4: Simplify right side
    8,873.52x = 81,447,724.03
  5. Step 5: Solve for x
    x = 81,447,724.03/8,873.52
  6. Step 6: Final answer
    x = 9,178.74

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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.