Home / 10,345.88-15,518.64-2,554.70

Finding the Fourth Proportional to 10,345.88, 15,518.64 and 2,554.70

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Solution

The fourth proportional to 10,345.88, 15,518.64 and 2,554.70 is: 3,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.88 : 15,518.64 = 2,554.70 : x
  2. Step 2: Convert to fraction form
    10,345.88/15,518.64 = 2,554.70/x
  3. Step 3: Cross multiply
    10,345.88x = 15,518.64 × 2,554.70
  4. Step 4: Simplify right side
    10,345.88x = 39,645,469.61
  5. Step 5: Solve for x
    x = 39,645,469.61/10,345.88
  6. Step 6: Final answer
    x = 3,832.01

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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.