Home / 13,046.04-18,003.38-7,077.60

Finding the Fourth Proportional to 13,046.04, 18,003.38 and 7,077.60

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Solution

The fourth proportional to 13,046.04, 18,003.38 and 7,077.60 is: 9,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.04 : 18,003.38 = 7,077.60 : x
  2. Step 2: Convert to fraction form
    13,046.04/18,003.38 = 7,077.60/x
  3. Step 3: Cross multiply
    13,046.04x = 18,003.38 × 7,077.60
  4. Step 4: Simplify right side
    13,046.04x = 127,420,686.90
  5. Step 5: Solve for x
    x = 127,420,686.90/13,046.04
  6. Step 6: Final answer
    x = 9,767.00

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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.