Home / 9,869.25-13,619.55-5,393.01

Finding the Fourth Proportional to 9,869.25, 13,619.55 and 5,393.01

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Solution

The fourth proportional to 9,869.25, 13,619.55 and 5,393.01 is: 7,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.25 : 13,619.55 = 5,393.01 : x
  2. Step 2: Convert to fraction form
    9,869.25/13,619.55 = 5,393.01/x
  3. Step 3: Cross multiply
    9,869.25x = 13,619.55 × 5,393.01
  4. Step 4: Simplify right side
    9,869.25x = 73,450,369.35
  5. Step 5: Solve for x
    x = 73,450,369.35/9,869.25
  6. Step 6: Final answer
    x = 7,442.35

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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.