Home / 14,235.32-21,352.98-4,378.43

Finding the Fourth Proportional to 14,235.32, 21,352.98 and 4,378.43

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Solution

The fourth proportional to 14,235.32, 21,352.98 and 4,378.43 is: 6,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.32 : 21,352.98 = 4,378.43 : x
  2. Step 2: Convert to fraction form
    14,235.32/21,352.98 = 4,378.43/x
  3. Step 3: Cross multiply
    14,235.32x = 21,352.98 × 4,378.43
  4. Step 4: Simplify right side
    14,235.32x = 93,492,528.22
  5. Step 5: Solve for x
    x = 93,492,528.22/14,235.32
  6. Step 6: Final answer
    x = 6,567.65

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Similar ratio
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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.