Home / 19,135.34-28,687.52-5,980.94

Finding the Fourth Proportional to 19,135.34, 28,687.52 and 5,980.94

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Solution

The fourth proportional to 19,135.34, 28,687.52 and 5,980.94 is: 8,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.34 : 28,687.52 = 5,980.94 : x
  2. Step 2: Convert to fraction form
    19,135.34/28,687.52 = 5,980.94/x
  3. Step 3: Cross multiply
    19,135.34x = 28,687.52 × 5,980.94
  4. Step 4: Simplify right side
    19,135.34x = 171,578,335.87
  5. Step 5: Solve for x
    x = 171,578,335.87/19,135.34
  6. Step 6: Final answer
    x = 8,966.57

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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.