Home / 13,316.88-18,377.19-7,652.28

Finding the Fourth Proportional to 13,316.88, 18,377.19 and 7,652.28

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Solution

The fourth proportional to 13,316.88, 18,377.19 and 7,652.28 is: 10,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.88 : 18,377.19 = 7,652.28 : x
  2. Step 2: Convert to fraction form
    13,316.88/18,377.19 = 7,652.28/x
  3. Step 3: Cross multiply
    13,316.88x = 18,377.19 × 7,652.28
  4. Step 4: Simplify right side
    13,316.88x = 140,627,403.49
  5. Step 5: Solve for x
    x = 140,627,403.49/13,316.88
  6. Step 6: Final answer
    x = 10,560.09

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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.