Home / 13,180.11-19,748.28-9,276.31

Finding the Fourth Proportional to 13,180.11, 19,748.28 and 9,276.31

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Solution

The fourth proportional to 13,180.11, 19,748.28 and 9,276.31 is: 13,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.11 : 19,748.28 = 9,276.31 : x
  2. Step 2: Convert to fraction form
    13,180.11/19,748.28 = 9,276.31/x
  3. Step 3: Cross multiply
    13,180.11x = 19,748.28 × 9,276.31
  4. Step 4: Simplify right side
    13,180.11x = 183,191,226.72
  5. Step 5: Solve for x
    x = 183,191,226.72/13,180.11
  6. Step 6: Final answer
    x = 13,899.07

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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.