Home / 13,180.12-19,748.30-9,276.32

Finding the Fourth Proportional to 13,180.12, 19,748.30 and 9,276.32

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Solution

The fourth proportional to 13,180.12, 19,748.30 and 9,276.32 is: 13,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.12 : 19,748.30 = 9,276.32 : x
  2. Step 2: Convert to fraction form
    13,180.12/19,748.30 = 9,276.32/x
  3. Step 3: Cross multiply
    13,180.12x = 19,748.30 × 9,276.32
  4. Step 4: Simplify right side
    13,180.12x = 183,191,553.25
  5. Step 5: Solve for x
    x = 183,191,553.25/13,180.12
  6. Step 6: Final answer
    x = 13,899.08

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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.