Home / 14,210.88-21,316.50-5,446.32

Finding the Fourth Proportional to 14,210.88, 21,316.50 and 5,446.32

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Solution

The fourth proportional to 14,210.88, 21,316.50 and 5,446.32 is: 8,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.88 : 21,316.50 = 5,446.32 : x
  2. Step 2: Convert to fraction form
    14,210.88/21,316.50 = 5,446.32/x
  3. Step 3: Cross multiply
    14,210.88x = 21,316.50 × 5,446.32
  4. Step 4: Simplify right side
    14,210.88x = 116,096,480.28
  5. Step 5: Solve for x
    x = 116,096,480.28/14,210.88
  6. Step 6: Final answer
    x = 8,169.55

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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.