Home / 12,724.43-19,088.38-4,402.21

Finding the Fourth Proportional to 12,724.43, 19,088.38 and 4,402.21

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Solution

The fourth proportional to 12,724.43, 19,088.38 and 4,402.21 is: 6,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.43 : 19,088.38 = 4,402.21 : x
  2. Step 2: Convert to fraction form
    12,724.43/19,088.38 = 4,402.21/x
  3. Step 3: Cross multiply
    12,724.43x = 19,088.38 × 4,402.21
  4. Step 4: Simplify right side
    12,724.43x = 84,031,057.32
  5. Step 5: Solve for x
    x = 84,031,057.32/12,724.43
  6. Step 6: Final answer
    x = 6,603.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.