Home / 17,768.56-26,654.76-10,887.28

Finding the Fourth Proportional to 17,768.56, 26,654.76 and 10,887.28

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Solution

The fourth proportional to 17,768.56, 26,654.76 and 10,887.28 is: 16,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.56 : 26,654.76 = 10,887.28 : x
  2. Step 2: Convert to fraction form
    17,768.56/26,654.76 = 10,887.28/x
  3. Step 3: Cross multiply
    17,768.56x = 26,654.76 × 10,887.28
  4. Step 4: Simplify right side
    17,768.56x = 290,197,835.45
  5. Step 5: Solve for x
    x = 290,197,835.45/17,768.56
  6. Step 6: Final answer
    x = 16,332.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.