Home / 10,011.20-13,805.01-8,599.50

Finding the Fourth Proportional to 10,011.20, 13,805.01 and 8,599.50

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Solution

The fourth proportional to 10,011.20, 13,805.01 and 8,599.50 is: 11,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.20 : 13,805.01 = 8,599.50 : x
  2. Step 2: Convert to fraction form
    10,011.20/13,805.01 = 8,599.50/x
  3. Step 3: Cross multiply
    10,011.20x = 13,805.01 × 8,599.50
  4. Step 4: Simplify right side
    10,011.20x = 118,716,183.50
  5. Step 5: Solve for x
    x = 118,716,183.50/10,011.20
  6. Step 6: Final answer
    x = 11,858.34

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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.