Home / 9,901.26-13,663.89-5,424.98

Finding the Fourth Proportional to 9,901.26, 13,663.89 and 5,424.98

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Solution

The fourth proportional to 9,901.26, 13,663.89 and 5,424.98 is: 7,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.26 : 13,663.89 = 5,424.98 : x
  2. Step 2: Convert to fraction form
    9,901.26/13,663.89 = 5,424.98/x
  3. Step 3: Cross multiply
    9,901.26x = 13,663.89 × 5,424.98
  4. Step 4: Simplify right side
    9,901.26x = 74,126,261.65
  5. Step 5: Solve for x
    x = 74,126,261.65/9,901.26
  6. Step 6: Final answer
    x = 7,486.55

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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.