Home / 20,541.69-28,347.42-11,110.23

Finding the Fourth Proportional to 20,541.69, 28,347.42 and 11,110.23

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Solution

The fourth proportional to 20,541.69, 28,347.42 and 11,110.23 is: 15,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.69 : 28,347.42 = 11,110.23 : x
  2. Step 2: Convert to fraction form
    20,541.69/28,347.42 = 11,110.23/x
  3. Step 3: Cross multiply
    20,541.69x = 28,347.42 × 11,110.23
  4. Step 4: Simplify right side
    20,541.69x = 314,946,356.11
  5. Step 5: Solve for x
    x = 314,946,356.11/20,541.69
  6. Step 6: Final answer
    x = 15,332.06

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Double scale
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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.