Home / 8,970.06-13,427.28-8,204.58

Finding the Fourth Proportional to 8,970.06, 13,427.28 and 8,204.58

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Solution

The fourth proportional to 8,970.06, 13,427.28 and 8,204.58 is: 12,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.06 : 13,427.28 = 8,204.58 : x
  2. Step 2: Convert to fraction form
    8,970.06/13,427.28 = 8,204.58/x
  3. Step 3: Cross multiply
    8,970.06x = 13,427.28 × 8,204.58
  4. Step 4: Simplify right side
    8,970.06x = 110,165,192.94
  5. Step 5: Solve for x
    x = 110,165,192.94/8,970.06
  6. Step 6: Final answer
    x = 12,281.43

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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.