Home / 9,418.08-14,126.88-4,491.20

Finding the Fourth Proportional to 9,418.08, 14,126.88 and 4,491.20

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Solution

The fourth proportional to 9,418.08, 14,126.88 and 4,491.20 is: 6,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.08 : 14,126.88 = 4,491.20 : x
  2. Step 2: Convert to fraction form
    9,418.08/14,126.88 = 4,491.20/x
  3. Step 3: Cross multiply
    9,418.08x = 14,126.88 × 4,491.20
  4. Step 4: Simplify right side
    9,418.08x = 63,446,643.46
  5. Step 5: Solve for x
    x = 63,446,643.46/9,418.08
  6. Step 6: Final answer
    x = 6,736.69

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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.