Home / 19,037.76-26,247.68-12,312

Finding the Fourth Proportional to 19,037.76, 26,247.68 and 12,312

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Solution

The fourth proportional to 19,037.76, 26,247.68 and 12,312 is: 16,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.76 : 26,247.68 = 12,312 : x
  2. Step 2: Convert to fraction form
    19,037.76/26,247.68 = 12,312/x
  3. Step 3: Cross multiply
    19,037.76x = 26,247.68 × 12,312
  4. Step 4: Simplify right side
    19,037.76x = 323,161,436.16
  5. Step 5: Solve for x
    x = 323,161,436.16/19,037.76
  6. Step 6: Final answer
    x = 16,974.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.