Home / 13,300.74-18,353.79-9,765.90

Finding the Fourth Proportional to 13,300.74, 18,353.79 and 9,765.90

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Solution

The fourth proportional to 13,300.74, 18,353.79 and 9,765.90 is: 13,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.74 : 18,353.79 = 9,765.90 : x
  2. Step 2: Convert to fraction form
    13,300.74/18,353.79 = 9,765.90/x
  3. Step 3: Cross multiply
    13,300.74x = 18,353.79 × 9,765.90
  4. Step 4: Simplify right side
    13,300.74x = 179,241,277.76
  5. Step 5: Solve for x
    x = 179,241,277.76/13,300.74
  6. Step 6: Final answer
    x = 13,476.04

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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.