Home / 19,671.31-29,522.51-8,585.79

Finding the Fourth Proportional to 19,671.31, 29,522.51 and 8,585.79

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Solution

The fourth proportional to 19,671.31, 29,522.51 and 8,585.79 is: 12,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.31 : 29,522.51 = 8,585.79 : x
  2. Step 2: Convert to fraction form
    19,671.31/29,522.51 = 8,585.79/x
  3. Step 3: Cross multiply
    19,671.31x = 29,522.51 × 8,585.79
  4. Step 4: Simplify right side
    19,671.31x = 253,473,997.99
  5. Step 5: Solve for x
    x = 253,473,997.99/19,671.31
  6. Step 6: Final answer
    x = 12,885.47

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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.