Home / 22,935.69-34,408.47-7,140.38

Finding the Fourth Proportional to 22,935.69, 34,408.47 and 7,140.38

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Solution

The fourth proportional to 22,935.69, 34,408.47 and 7,140.38 is: 10,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.69 : 34,408.47 = 7,140.38 : x
  2. Step 2: Convert to fraction form
    22,935.69/34,408.47 = 7,140.38/x
  3. Step 3: Cross multiply
    22,935.69x = 34,408.47 × 7,140.38
  4. Step 4: Simplify right side
    22,935.69x = 245,689,551.02
  5. Step 5: Solve for x
    x = 245,689,551.02/22,935.69
  6. Step 6: Final answer
    x = 10,712.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.