Home / 14,210.28-21,312.20-4,212.96

Finding the Fourth Proportional to 14,210.28, 21,312.20 and 4,212.96

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Solution

The fourth proportional to 14,210.28, 21,312.20 and 4,212.96 is: 6,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.28 : 21,312.20 = 4,212.96 : x
  2. Step 2: Convert to fraction form
    14,210.28/21,312.20 = 4,212.96/x
  3. Step 3: Cross multiply
    14,210.28x = 21,312.20 × 4,212.96
  4. Step 4: Simplify right side
    14,210.28x = 89,787,446.11
  5. Step 5: Solve for x
    x = 89,787,446.11/14,210.28
  6. Step 6: Final answer
    x = 6,318.49

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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.