Home / 15,441.36-21,304.80-9,853.44

Finding the Fourth Proportional to 15,441.36, 21,304.80 and 9,853.44

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Solution

The fourth proportional to 15,441.36, 21,304.80 and 9,853.44 is: 13,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.36 : 21,304.80 = 9,853.44 : x
  2. Step 2: Convert to fraction form
    15,441.36/21,304.80 = 9,853.44/x
  3. Step 3: Cross multiply
    15,441.36x = 21,304.80 × 9,853.44
  4. Step 4: Simplify right side
    15,441.36x = 209,925,568.51
  5. Step 5: Solve for x
    x = 209,925,568.51/15,441.36
  6. Step 6: Final answer
    x = 13,595.02

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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.