Home / 13,349.67-18,426.93-9,371.76

Finding the Fourth Proportional to 13,349.67, 18,426.93 and 9,371.76

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Solution

The fourth proportional to 13,349.67, 18,426.93 and 9,371.76 is: 12,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.67 : 18,426.93 = 9,371.76 : x
  2. Step 2: Convert to fraction form
    13,349.67/18,426.93 = 9,371.76/x
  3. Step 3: Cross multiply
    13,349.67x = 18,426.93 × 9,371.76
  4. Step 4: Simplify right side
    13,349.67x = 172,692,765.50
  5. Step 5: Solve for x
    x = 172,692,765.50/13,349.67
  6. Step 6: Final answer
    x = 12,936.11

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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.