Home / 13,104.60-19,618.29-8,654.10

Finding the Fourth Proportional to 13,104.60, 19,618.29 and 8,654.10

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Solution

The fourth proportional to 13,104.60, 19,618.29 and 8,654.10 is: 12,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.60 : 19,618.29 = 8,654.10 : x
  2. Step 2: Convert to fraction form
    13,104.60/19,618.29 = 8,654.10/x
  3. Step 3: Cross multiply
    13,104.60x = 19,618.29 × 8,654.10
  4. Step 4: Simplify right side
    13,104.60x = 169,778,643.49
  5. Step 5: Solve for x
    x = 169,778,643.49/13,104.60
  6. Step 6: Final answer
    x = 12,955.65

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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.