Home / 14,086.66-21,140.70-5,210.39

Finding the Fourth Proportional to 14,086.66, 21,140.70 and 5,210.39

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Solution

The fourth proportional to 14,086.66, 21,140.70 and 5,210.39 is: 7,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.66 : 21,140.70 = 5,210.39 : x
  2. Step 2: Convert to fraction form
    14,086.66/21,140.70 = 5,210.39/x
  3. Step 3: Cross multiply
    14,086.66x = 21,140.70 × 5,210.39
  4. Step 4: Simplify right side
    14,086.66x = 110,151,186.17
  5. Step 5: Solve for x
    x = 110,151,186.17/14,086.66
  6. Step 6: Final answer
    x = 7,819.54

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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.