Home / 13,367.36-18,446.52-7,398.80

Finding the Fourth Proportional to 13,367.36, 18,446.52 and 7,398.80

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Solution

The fourth proportional to 13,367.36, 18,446.52 and 7,398.80 is: 10,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.36 : 18,446.52 = 7,398.80 : x
  2. Step 2: Convert to fraction form
    13,367.36/18,446.52 = 7,398.80/x
  3. Step 3: Cross multiply
    13,367.36x = 18,446.52 × 7,398.80
  4. Step 4: Simplify right side
    13,367.36x = 136,482,112.18
  5. Step 5: Solve for x
    x = 136,482,112.18/13,367.36
  6. Step 6: Final answer
    x = 10,210.10

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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.