Home / 38,653.58-57,988.63-11,998.98

Finding the Fourth Proportional to 38,653.58, 57,988.63 and 11,998.98

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Solution

The fourth proportional to 38,653.58, 57,988.63 and 11,998.98 is: 18,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.58 : 57,988.63 = 11,998.98 : x
  2. Step 2: Convert to fraction form
    38,653.58/57,988.63 = 11,998.98/x
  3. Step 3: Cross multiply
    38,653.58x = 57,988.63 × 11,998.98
  4. Step 4: Simplify right side
    38,653.58x = 695,804,381.60
  5. Step 5: Solve for x
    x = 695,804,381.60/38,653.58
  6. Step 6: Final answer
    x = 18,001.04

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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.