Home / 13,306.61-18,362.76-7,338.17

Finding the Fourth Proportional to 13,306.61, 18,362.76 and 7,338.17

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Solution

The fourth proportional to 13,306.61, 18,362.76 and 7,338.17 is: 10,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.61 : 18,362.76 = 7,338.17 : x
  2. Step 2: Convert to fraction form
    13,306.61/18,362.76 = 7,338.17/x
  3. Step 3: Cross multiply
    13,306.61x = 18,362.76 × 7,338.17
  4. Step 4: Simplify right side
    13,306.61x = 134,749,054.55
  5. Step 5: Solve for x
    x = 134,749,054.55/13,306.61
  6. Step 6: Final answer
    x = 10,126.48

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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.