Home / 19,968.96-29,953.76-6,118.08

Finding the Fourth Proportional to 19,968.96, 29,953.76 and 6,118.08

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Solution

The fourth proportional to 19,968.96, 29,953.76 and 6,118.08 is: 9,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.96 : 29,953.76 = 6,118.08 : x
  2. Step 2: Convert to fraction form
    19,968.96/29,953.76 = 6,118.08/x
  3. Step 3: Cross multiply
    19,968.96x = 29,953.76 × 6,118.08
  4. Step 4: Simplify right side
    19,968.96x = 183,259,499.98
  5. Step 5: Solve for x
    x = 183,259,499.98/19,968.96
  6. Step 6: Final answer
    x = 9,177.22

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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.