Home / 10,336.20-14,263.95-5,620.44

Finding the Fourth Proportional to 10,336.20, 14,263.95 and 5,620.44

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Solution

The fourth proportional to 10,336.20, 14,263.95 and 5,620.44 is: 7,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.20 : 14,263.95 = 5,620.44 : x
  2. Step 2: Convert to fraction form
    10,336.20/14,263.95 = 5,620.44/x
  3. Step 3: Cross multiply
    10,336.20x = 14,263.95 × 5,620.44
  4. Step 4: Simplify right side
    10,336.20x = 80,169,675.14
  5. Step 5: Solve for x
    x = 80,169,675.14/10,336.20
  6. Step 6: Final answer
    x = 7,756.20

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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.