Home / 13,037.20-17,991.05-7,068.71

Finding the Fourth Proportional to 13,037.20, 17,991.05 and 7,068.71

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Solution

The fourth proportional to 13,037.20, 17,991.05 and 7,068.71 is: 9,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.20 : 17,991.05 = 7,068.71 : x
  2. Step 2: Convert to fraction form
    13,037.20/17,991.05 = 7,068.71/x
  3. Step 3: Cross multiply
    13,037.20x = 17,991.05 × 7,068.71
  4. Step 4: Simplify right side
    13,037.20x = 127,173,524.68
  5. Step 5: Solve for x
    x = 127,173,524.68/13,037.20
  6. Step 6: Final answer
    x = 9,754.67

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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.