Home / 11,305.52-15,603.23-6,270.86

Finding the Fourth Proportional to 11,305.52, 15,603.23 and 6,270.86

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Solution

The fourth proportional to 11,305.52, 15,603.23 and 6,270.86 is: 8,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.52 : 15,603.23 = 6,270.86 : x
  2. Step 2: Convert to fraction form
    11,305.52/15,603.23 = 6,270.86/x
  3. Step 3: Cross multiply
    11,305.52x = 15,603.23 × 6,270.86
  4. Step 4: Simplify right side
    11,305.52x = 97,845,561.51
  5. Step 5: Solve for x
    x = 97,845,561.51/11,305.52
  6. Step 6: Final answer
    x = 8,654.68

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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.