Home / 11,950.48-17,888.28-7,728.13

Finding the Fourth Proportional to 11,950.48, 17,888.28 and 7,728.13

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Solution

The fourth proportional to 11,950.48, 17,888.28 and 7,728.13 is: 11,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.48 : 17,888.28 = 7,728.13 : x
  2. Step 2: Convert to fraction form
    11,950.48/17,888.28 = 7,728.13/x
  3. Step 3: Cross multiply
    11,950.48x = 17,888.28 × 7,728.13
  4. Step 4: Simplify right side
    11,950.48x = 138,242,953.32
  5. Step 5: Solve for x
    x = 138,242,953.32/11,950.48
  6. Step 6: Final answer
    x = 11,567.98

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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.