Home / 15,260.32-21,059.76-8,973.28

Finding the Fourth Proportional to 15,260.32, 21,059.76 and 8,973.28

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Solution

The fourth proportional to 15,260.32, 21,059.76 and 8,973.28 is: 12,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.32 : 21,059.76 = 8,973.28 : x
  2. Step 2: Convert to fraction form
    15,260.32/21,059.76 = 8,973.28/x
  3. Step 3: Cross multiply
    15,260.32x = 21,059.76 × 8,973.28
  4. Step 4: Simplify right side
    15,260.32x = 188,975,123.21
  5. Step 5: Solve for x
    x = 188,975,123.21/15,260.32
  6. Step 6: Final answer
    x = 12,383.43

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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.