Home / 13,099.73-18,077.09-7,434.36

Finding the Fourth Proportional to 13,099.73, 18,077.09 and 7,434.36

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Solution

The fourth proportional to 13,099.73, 18,077.09 and 7,434.36 is: 10,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.73 : 18,077.09 = 7,434.36 : x
  2. Step 2: Convert to fraction form
    13,099.73/18,077.09 = 7,434.36/x
  3. Step 3: Cross multiply
    13,099.73x = 18,077.09 × 7,434.36
  4. Step 4: Simplify right side
    13,099.73x = 134,391,557.64
  5. Step 5: Solve for x
    x = 134,391,557.64/13,099.73
  6. Step 6: Final answer
    x = 10,259.11

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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.