Home / 13,462.34-18,552.76-9,678.94

Finding the Fourth Proportional to 13,462.34, 18,552.76 and 9,678.94

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Solution

The fourth proportional to 13,462.34, 18,552.76 and 9,678.94 is: 13,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.34 : 18,552.76 = 9,678.94 : x
  2. Step 2: Convert to fraction form
    13,462.34/18,552.76 = 9,678.94/x
  3. Step 3: Cross multiply
    13,462.34x = 18,552.76 × 9,678.94
  4. Step 4: Simplify right side
    13,462.34x = 179,571,139.10
  5. Step 5: Solve for x
    x = 179,571,139.10/13,462.34
  6. Step 6: Final answer
    x = 13,338.78

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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.