Home / 10,181.77-15,272.66-2,785.93

Finding the Fourth Proportional to 10,181.77, 15,272.66 and 2,785.93

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Solution

The fourth proportional to 10,181.77, 15,272.66 and 2,785.93 is: 4,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.77 : 15,272.66 = 2,785.93 : x
  2. Step 2: Convert to fraction form
    10,181.77/15,272.66 = 2,785.93/x
  3. Step 3: Cross multiply
    10,181.77x = 15,272.66 × 2,785.93
  4. Step 4: Simplify right side
    10,181.77x = 42,548,547.74
  5. Step 5: Solve for x
    x = 42,548,547.74/10,181.77
  6. Step 6: Final answer
    x = 4,178.90

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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.