Home / 14,274.08-21,377.28-8,339.12

Finding the Fourth Proportional to 14,274.08, 21,377.28 and 8,339.12

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Solution

The fourth proportional to 14,274.08, 21,377.28 and 8,339.12 is: 12,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.08 : 21,377.28 = 8,339.12 : x
  2. Step 2: Convert to fraction form
    14,274.08/21,377.28 = 8,339.12/x
  3. Step 3: Cross multiply
    14,274.08x = 21,377.28 × 8,339.12
  4. Step 4: Simplify right side
    14,274.08x = 178,267,703.19
  5. Step 5: Solve for x
    x = 178,267,703.19/14,274.08
  6. Step 6: Final answer
    x = 12,488.91

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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.