Home / 15,526.80-21,438.96-9,560.88

Finding the Fourth Proportional to 15,526.80, 21,438.96 and 9,560.88

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Solution

The fourth proportional to 15,526.80, 21,438.96 and 9,560.88 is: 13,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.80 : 21,438.96 = 9,560.88 : x
  2. Step 2: Convert to fraction form
    15,526.80/21,438.96 = 9,560.88/x
  3. Step 3: Cross multiply
    15,526.80x = 21,438.96 × 9,560.88
  4. Step 4: Simplify right side
    15,526.80x = 204,975,323.88
  5. Step 5: Solve for x
    x = 204,975,323.88/15,526.80
  6. Step 6: Final answer
    x = 13,201.39

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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.