Home / 13,077.06-18,046.45-7,108.73

Finding the Fourth Proportional to 13,077.06, 18,046.45 and 7,108.73

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Solution

The fourth proportional to 13,077.06, 18,046.45 and 7,108.73 is: 9,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.06 : 18,046.45 = 7,108.73 : x
  2. Step 2: Convert to fraction form
    13,077.06/18,046.45 = 7,108.73/x
  3. Step 3: Cross multiply
    13,077.06x = 18,046.45 × 7,108.73
  4. Step 4: Simplify right side
    13,077.06x = 128,287,340.51
  5. Step 5: Solve for x
    x = 128,287,340.51/13,077.06
  6. Step 6: Final answer
    x = 9,810.11

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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.