Home / 14,346.07-21,479.18-7,310.91

Finding the Fourth Proportional to 14,346.07, 21,479.18 and 7,310.91

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Solution

The fourth proportional to 14,346.07, 21,479.18 and 7,310.91 is: 10,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.07 : 21,479.18 = 7,310.91 : x
  2. Step 2: Convert to fraction form
    14,346.07/21,479.18 = 7,310.91/x
  3. Step 3: Cross multiply
    14,346.07x = 21,479.18 × 7,310.91
  4. Step 4: Simplify right side
    14,346.07x = 157,032,351.85
  5. Step 5: Solve for x
    x = 157,032,351.85/14,346.07
  6. Step 6: Final answer
    x = 10,946.02

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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.