Home / 34,238.08-51,357.06-12,894.78

Finding the Fourth Proportional to 34,238.08, 51,357.06 and 12,894.78

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Solution

The fourth proportional to 34,238.08, 51,357.06 and 12,894.78 is: 19,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,238.08 : 51,357.06 = 12,894.78 : x
  2. Step 2: Convert to fraction form
    34,238.08/51,357.06 = 12,894.78/x
  3. Step 3: Cross multiply
    34,238.08x = 51,357.06 × 12,894.78
  4. Step 4: Simplify right side
    34,238.08x = 662,237,990.15
  5. Step 5: Solve for x
    x = 662,237,990.15/34,238.08
  6. Step 6: Final answer
    x = 19,342.15

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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.