Home / 14,311.79-21,470.72-4,316.84

Finding the Fourth Proportional to 14,311.79, 21,470.72 and 4,316.84

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Solution

The fourth proportional to 14,311.79, 21,470.72 and 4,316.84 is: 6,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.79 : 21,470.72 = 4,316.84 : x
  2. Step 2: Convert to fraction form
    14,311.79/21,470.72 = 4,316.84/x
  3. Step 3: Cross multiply
    14,311.79x = 21,470.72 × 4,316.84
  4. Step 4: Simplify right side
    14,311.79x = 92,685,533.99
  5. Step 5: Solve for x
    x = 92,685,533.99/14,311.79
  6. Step 6: Final answer
    x = 6,476.17

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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.