Home / 13,294.55-18,346.70-8,587.03

Finding the Fourth Proportional to 13,294.55, 18,346.70 and 8,587.03

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Solution

The fourth proportional to 13,294.55, 18,346.70 and 8,587.03 is: 11,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.55 : 18,346.70 = 8,587.03 : x
  2. Step 2: Convert to fraction form
    13,294.55/18,346.70 = 8,587.03/x
  3. Step 3: Cross multiply
    13,294.55x = 18,346.70 × 8,587.03
  4. Step 4: Simplify right side
    13,294.55x = 157,543,673.30
  5. Step 5: Solve for x
    x = 157,543,673.30/13,294.55
  6. Step 6: Final answer
    x = 11,850.25

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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.