Home / 14,671.26-21,946.68-12,209.40

Finding the Fourth Proportional to 14,671.26, 21,946.68 and 12,209.40

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Solution

The fourth proportional to 14,671.26, 21,946.68 and 12,209.40 is: 18,263.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.26 : 21,946.68 = 12,209.40 : x
  2. Step 2: Convert to fraction form
    14,671.26/21,946.68 = 12,209.40/x
  3. Step 3: Cross multiply
    14,671.26x = 21,946.68 × 12,209.40
  4. Step 4: Simplify right side
    14,671.26x = 267,955,794.79
  5. Step 5: Solve for x
    x = 267,955,794.79/14,671.26
  6. Step 6: Final answer
    x = 18,263.99

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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.