Home / 14,083.20-19,468.80-10,742.40

Finding the Fourth Proportional to 14,083.20, 19,468.80 and 10,742.40

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Solution

The fourth proportional to 14,083.20, 19,468.80 and 10,742.40 is: 14,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.20 : 19,468.80 = 10,742.40 : x
  2. Step 2: Convert to fraction form
    14,083.20/19,468.80 = 10,742.40/x
  3. Step 3: Cross multiply
    14,083.20x = 19,468.80 × 10,742.40
  4. Step 4: Simplify right side
    14,083.20x = 209,141,637.12
  5. Step 5: Solve for x
    x = 209,141,637.12/14,083.20
  6. Step 6: Final answer
    x = 14,850.43

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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.