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Finding the Fourth Proportional to 11,703.88, 17,555.80 and 4,773.52

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Solution

The fourth proportional to 11,703.88, 17,555.80 and 4,773.52 is: 7,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.88 : 17,555.80 = 4,773.52 : x
  2. Step 2: Convert to fraction form
    11,703.88/17,555.80 = 4,773.52/x
  3. Step 3: Cross multiply
    11,703.88x = 17,555.80 × 4,773.52
  4. Step 4: Simplify right side
    11,703.88x = 83,802,962.42
  5. Step 5: Solve for x
    x = 83,802,962.42/11,703.88
  6. Step 6: Final answer
    x = 7,160.27

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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.