Home / 14,167.89-21,251.70-8,622.81

Finding the Fourth Proportional to 14,167.89, 21,251.70 and 8,622.81

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Solution

The fourth proportional to 14,167.89, 21,251.70 and 8,622.81 is: 12,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.89 : 21,251.70 = 8,622.81 : x
  2. Step 2: Convert to fraction form
    14,167.89/21,251.70 = 8,622.81/x
  3. Step 3: Cross multiply
    14,167.89x = 21,251.70 × 8,622.81
  4. Step 4: Simplify right side
    14,167.89x = 183,249,371.28
  5. Step 5: Solve for x
    x = 183,249,371.28/14,167.89
  6. Step 6: Final answer
    x = 12,934.13

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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.