Home / 19,132.94-28,699.14-9,273.08

Finding the Fourth Proportional to 19,132.94, 28,699.14 and 9,273.08

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Solution

The fourth proportional to 19,132.94, 28,699.14 and 9,273.08 is: 13,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.94 : 28,699.14 = 9,273.08 : x
  2. Step 2: Convert to fraction form
    19,132.94/28,699.14 = 9,273.08/x
  3. Step 3: Cross multiply
    19,132.94x = 28,699.14 × 9,273.08
  4. Step 4: Simplify right side
    19,132.94x = 266,129,421.15
  5. Step 5: Solve for x
    x = 266,129,421.15/19,132.94
  6. Step 6: Final answer
    x = 13,909.49

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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.