Home / 10,368.98-15,553.49-2,577.80

Finding the Fourth Proportional to 10,368.98, 15,553.49 and 2,577.80

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Solution

The fourth proportional to 10,368.98, 15,553.49 and 2,577.80 is: 3,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.98 : 15,553.49 = 2,577.80 : x
  2. Step 2: Convert to fraction form
    10,368.98/15,553.49 = 2,577.80/x
  3. Step 3: Cross multiply
    10,368.98x = 15,553.49 × 2,577.80
  4. Step 4: Simplify right side
    10,368.98x = 40,093,695.87
  5. Step 5: Solve for x
    x = 40,093,695.87/10,368.98
  6. Step 6: Final answer
    x = 3,866.70

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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.