Home / 13,283.03-18,335.55-8,808.28

Finding the Fourth Proportional to 13,283.03, 18,335.55 and 8,808.28

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Solution

The fourth proportional to 13,283.03, 18,335.55 and 8,808.28 is: 12,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.03 : 18,335.55 = 8,808.28 : x
  2. Step 2: Convert to fraction form
    13,283.03/18,335.55 = 8,808.28/x
  3. Step 3: Cross multiply
    13,283.03x = 18,335.55 × 8,808.28
  4. Step 4: Simplify right side
    13,283.03x = 161,504,522.63
  5. Step 5: Solve for x
    x = 161,504,522.63/13,283.03
  6. Step 6: Final answer
    x = 12,158.72

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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.