Home / 19,036.52-28,538.36-9,182.72

Finding the Fourth Proportional to 19,036.52, 28,538.36 and 9,182.72

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Solution

The fourth proportional to 19,036.52, 28,538.36 and 9,182.72 is: 13,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.52 : 28,538.36 = 9,182.72 : x
  2. Step 2: Convert to fraction form
    19,036.52/28,538.36 = 9,182.72/x
  3. Step 3: Cross multiply
    19,036.52x = 28,538.36 × 9,182.72
  4. Step 4: Simplify right side
    19,036.52x = 262,059,769.14
  5. Step 5: Solve for x
    x = 262,059,769.14/19,036.52
  6. Step 6: Final answer
    x = 13,766.16

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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.