Home / 14,256.32-21,382.80-4,394.72

Finding the Fourth Proportional to 14,256.32, 21,382.80 and 4,394.72

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Solution

The fourth proportional to 14,256.32, 21,382.80 and 4,394.72 is: 6,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.32 : 21,382.80 = 4,394.72 : x
  2. Step 2: Convert to fraction form
    14,256.32/21,382.80 = 4,394.72/x
  3. Step 3: Cross multiply
    14,256.32x = 21,382.80 × 4,394.72
  4. Step 4: Simplify right side
    14,256.32x = 93,971,418.82
  5. Step 5: Solve for x
    x = 93,971,418.82/14,256.32
  6. Step 6: Final answer
    x = 6,591.56

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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.