Home / 10,069.20-13,897.32-5,819.68

Finding the Fourth Proportional to 10,069.20, 13,897.32 and 5,819.68

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Solution

The fourth proportional to 10,069.20, 13,897.32 and 5,819.68 is: 8,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.20 : 13,897.32 = 5,819.68 : x
  2. Step 2: Convert to fraction form
    10,069.20/13,897.32 = 5,819.68/x
  3. Step 3: Cross multiply
    10,069.20x = 13,897.32 × 5,819.68
  4. Step 4: Simplify right side
    10,069.20x = 80,877,889.00
  5. Step 5: Solve for x
    x = 80,877,889.00/10,069.20
  6. Step 6: Final answer
    x = 8,032.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.