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Finding the Fourth Proportional to 9,958.95, 14,934.98 and 4,416.18

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Solution

The fourth proportional to 9,958.95, 14,934.98 and 4,416.18 is: 6,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.95 : 14,934.98 = 4,416.18 : x
  2. Step 2: Convert to fraction form
    9,958.95/14,934.98 = 4,416.18/x
  3. Step 3: Cross multiply
    9,958.95x = 14,934.98 × 4,416.18
  4. Step 4: Simplify right side
    9,958.95x = 65,955,515.01
  5. Step 5: Solve for x
    x = 65,955,515.01/9,958.95
  6. Step 6: Final answer
    x = 6,622.74

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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.