Home / 14,465.20-21,681.60-6,143.80

Finding the Fourth Proportional to 14,465.20, 21,681.60 and 6,143.80

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Solution

The fourth proportional to 14,465.20, 21,681.60 and 6,143.80 is: 9,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.20 : 21,681.60 = 6,143.80 : x
  2. Step 2: Convert to fraction form
    14,465.20/21,681.60 = 6,143.80/x
  3. Step 3: Cross multiply
    14,465.20x = 21,681.60 × 6,143.80
  4. Step 4: Simplify right side
    14,465.20x = 133,207,414.08
  5. Step 5: Solve for x
    x = 133,207,414.08/14,465.20
  6. Step 6: Final answer
    x = 9,208.82

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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.