Home / 15,563.52-21,474.72-9,276.48

Finding the Fourth Proportional to 15,563.52, 21,474.72 and 9,276.48

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Solution

The fourth proportional to 15,563.52, 21,474.72 and 9,276.48 is: 12,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.52 : 21,474.72 = 9,276.48 : x
  2. Step 2: Convert to fraction form
    15,563.52/21,474.72 = 9,276.48/x
  3. Step 3: Cross multiply
    15,563.52x = 21,474.72 × 9,276.48
  4. Step 4: Simplify right side
    15,563.52x = 199,209,810.59
  5. Step 5: Solve for x
    x = 199,209,810.59/15,563.52
  6. Step 6: Final answer
    x = 12,799.79

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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.