Home / 12,894.07-19,342.11-5,498.58

Finding the Fourth Proportional to 12,894.07, 19,342.11 and 5,498.58

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Solution

The fourth proportional to 12,894.07, 19,342.11 and 5,498.58 is: 8,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894.07 : 19,342.11 = 5,498.58 : x
  2. Step 2: Convert to fraction form
    12,894.07/19,342.11 = 5,498.58/x
  3. Step 3: Cross multiply
    12,894.07x = 19,342.11 × 5,498.58
  4. Step 4: Simplify right side
    12,894.07x = 106,354,139.20
  5. Step 5: Solve for x
    x = 106,354,139.20/12,894.07
  6. Step 6: Final answer
    x = 8,248.30

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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.