Home / 18,377.85-27,580.65-13,460.24

Finding the Fourth Proportional to 18,377.85, 27,580.65 and 13,460.24

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Solution

The fourth proportional to 18,377.85, 27,580.65 and 13,460.24 is: 20,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.85 : 27,580.65 = 13,460.24 : x
  2. Step 2: Convert to fraction form
    18,377.85/27,580.65 = 13,460.24/x
  3. Step 3: Cross multiply
    18,377.85x = 27,580.65 × 13,460.24
  4. Step 4: Simplify right side
    18,377.85x = 371,242,030.45
  5. Step 5: Solve for x
    x = 371,242,030.45/18,377.85
  6. Step 6: Final answer
    x = 20,200.51

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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.