Home / 13,019.09-17,966.26-7,355.67

Finding the Fourth Proportional to 13,019.09, 17,966.26 and 7,355.67

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Solution

The fourth proportional to 13,019.09, 17,966.26 and 7,355.67 is: 10,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.09 : 17,966.26 = 7,355.67 : x
  2. Step 2: Convert to fraction form
    13,019.09/17,966.26 = 7,355.67/x
  3. Step 3: Cross multiply
    13,019.09x = 17,966.26 × 7,355.67
  4. Step 4: Simplify right side
    13,019.09x = 132,153,839.32
  5. Step 5: Solve for x
    x = 132,153,839.32/13,019.09
  6. Step 6: Final answer
    x = 10,150.78

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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.