Home / 12,904.86-19,364.58-5,508.63

Finding the Fourth Proportional to 12,904.86, 19,364.58 and 5,508.63

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Solution

The fourth proportional to 12,904.86, 19,364.58 and 5,508.63 is: 8,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.86 : 19,364.58 = 5,508.63 : x
  2. Step 2: Convert to fraction form
    12,904.86/19,364.58 = 5,508.63/x
  3. Step 3: Cross multiply
    12,904.86x = 19,364.58 × 5,508.63
  4. Step 4: Simplify right side
    12,904.86x = 106,672,306.33
  5. Step 5: Solve for x
    x = 106,672,306.33/12,904.86
  6. Step 6: Final answer
    x = 8,266.06

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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.