Home / 9,531.81-13,153.79-5,339.97

Finding the Fourth Proportional to 9,531.81, 13,153.79 and 5,339.97

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Solution

The fourth proportional to 9,531.81, 13,153.79 and 5,339.97 is: 7,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.81 : 13,153.79 = 5,339.97 : x
  2. Step 2: Convert to fraction form
    9,531.81/13,153.79 = 5,339.97/x
  3. Step 3: Cross multiply
    9,531.81x = 13,153.79 × 5,339.97
  4. Step 4: Simplify right side
    9,531.81x = 70,240,817.29
  5. Step 5: Solve for x
    x = 70,240,817.29/9,531.81
  6. Step 6: Final answer
    x = 7,369.10

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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.