Home / 13,047.46-18,005.62-7,079.17

Finding the Fourth Proportional to 13,047.46, 18,005.62 and 7,079.17

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Solution

The fourth proportional to 13,047.46, 18,005.62 and 7,079.17 is: 9,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.46 : 18,005.62 = 7,079.17 : x
  2. Step 2: Convert to fraction form
    13,047.46/18,005.62 = 7,079.17/x
  3. Step 3: Cross multiply
    13,047.46x = 18,005.62 × 7,079.17
  4. Step 4: Simplify right side
    13,047.46x = 127,464,844.94
  5. Step 5: Solve for x
    x = 127,464,844.94/13,047.46
  6. Step 6: Final answer
    x = 9,769.32

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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.