Home / 14,631.35-21,951.05-4,771.22

Finding the Fourth Proportional to 14,631.35, 21,951.05 and 4,771.22

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Solution

The fourth proportional to 14,631.35, 21,951.05 and 4,771.22 is: 7,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.35 : 21,951.05 = 4,771.22 : x
  2. Step 2: Convert to fraction form
    14,631.35/21,951.05 = 4,771.22/x
  3. Step 3: Cross multiply
    14,631.35x = 21,951.05 × 4,771.22
  4. Step 4: Simplify right side
    14,631.35x = 104,733,155.17
  5. Step 5: Solve for x
    x = 104,733,155.17/14,631.35
  6. Step 6: Final answer
    x = 7,158.14

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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.