Home / 9,944.78-14,899.14-7,156.35

Finding the Fourth Proportional to 9,944.78, 14,899.14 and 7,156.35

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Solution

The fourth proportional to 9,944.78, 14,899.14 and 7,156.35 is: 10,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,944.78 : 14,899.14 = 7,156.35 : x
  2. Step 2: Convert to fraction form
    9,944.78/14,899.14 = 7,156.35/x
  3. Step 3: Cross multiply
    9,944.78x = 14,899.14 × 7,156.35
  4. Step 4: Simplify right side
    9,944.78x = 106,623,460.54
  5. Step 5: Solve for x
    x = 106,623,460.54/9,944.78
  6. Step 6: Final answer
    x = 10,721.56

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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.