Home / 21,671.84-29,898.66-12,595.69

Finding the Fourth Proportional to 21,671.84, 29,898.66 and 12,595.69

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Solution

The fourth proportional to 21,671.84, 29,898.66 and 12,595.69 is: 17,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.84 : 29,898.66 = 12,595.69 : x
  2. Step 2: Convert to fraction form
    21,671.84/29,898.66 = 12,595.69/x
  3. Step 3: Cross multiply
    21,671.84x = 29,898.66 × 12,595.69
  4. Step 4: Simplify right side
    21,671.84x = 376,594,252.78
  5. Step 5: Solve for x
    x = 376,594,252.78/21,671.84
  6. Step 6: Final answer
    x = 17,377.12

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1.5x scale

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.