Home / 12,842.88-19,264.68-6,274.32

Finding the Fourth Proportional to 12,842.88, 19,264.68 and 6,274.32

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Solution

The fourth proportional to 12,842.88, 19,264.68 and 6,274.32 is: 9,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.88 : 19,264.68 = 6,274.32 : x
  2. Step 2: Convert to fraction form
    12,842.88/19,264.68 = 6,274.32/x
  3. Step 3: Cross multiply
    12,842.88x = 19,264.68 × 6,274.32
  4. Step 4: Simplify right side
    12,842.88x = 120,872,767.02
  5. Step 5: Solve for x
    x = 120,872,767.02/12,842.88
  6. Step 6: Final answer
    x = 9,411.66

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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.