Home / 20,548.16-28,356.18-11,473.66

Finding the Fourth Proportional to 20,548.16, 28,356.18 and 11,473.66

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Solution

The fourth proportional to 20,548.16, 28,356.18 and 11,473.66 is: 15,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.16 : 28,356.18 = 11,473.66 : x
  2. Step 2: Convert to fraction form
    20,548.16/28,356.18 = 11,473.66/x
  3. Step 3: Cross multiply
    20,548.16x = 28,356.18 × 11,473.66
  4. Step 4: Simplify right side
    20,548.16x = 325,349,168.22
  5. Step 5: Solve for x
    x = 325,349,168.22/20,548.16
  6. Step 6: Final answer
    x = 15,833.49

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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.