Home / 15,045.32-20,749.95-11,277.33

Finding the Fourth Proportional to 15,045.32, 20,749.95 and 11,277.33

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Solution

The fourth proportional to 15,045.32, 20,749.95 and 11,277.33 is: 15,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.32 : 20,749.95 = 11,277.33 : x
  2. Step 2: Convert to fraction form
    15,045.32/20,749.95 = 11,277.33/x
  3. Step 3: Cross multiply
    15,045.32x = 20,749.95 × 11,277.33
  4. Step 4: Simplify right side
    15,045.32x = 234,004,033.63
  5. Step 5: Solve for x
    x = 234,004,033.63/15,045.32
  6. Step 6: Final answer
    x = 15,553.28

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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.