Home / 19,005.80-28,488.54-7,313.96

Finding the Fourth Proportional to 19,005.80, 28,488.54 and 7,313.96

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Solution

The fourth proportional to 19,005.80, 28,488.54 and 7,313.96 is: 10,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.80 : 28,488.54 = 7,313.96 : x
  2. Step 2: Convert to fraction form
    19,005.80/28,488.54 = 7,313.96/x
  3. Step 3: Cross multiply
    19,005.80x = 28,488.54 × 7,313.96
  4. Step 4: Simplify right side
    19,005.80x = 208,364,042.02
  5. Step 5: Solve for x
    x = 208,364,042.02/19,005.80
  6. Step 6: Final answer
    x = 10,963.18

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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.