Home / 10,345.80-15,513.02-4,105.56

Finding the Fourth Proportional to 10,345.80, 15,513.02 and 4,105.56

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Solution

The fourth proportional to 10,345.80, 15,513.02 and 4,105.56 is: 6,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.80 : 15,513.02 = 4,105.56 : x
  2. Step 2: Convert to fraction form
    10,345.80/15,513.02 = 4,105.56/x
  3. Step 3: Cross multiply
    10,345.80x = 15,513.02 × 4,105.56
  4. Step 4: Simplify right side
    10,345.80x = 63,689,634.39
  5. Step 5: Solve for x
    x = 63,689,634.39/10,345.80
  6. Step 6: Final answer
    x = 6,156.09

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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.