Home / 10,518.68-15,776.19-2,727.50

Finding the Fourth Proportional to 10,518.68, 15,776.19 and 2,727.50

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Solution

The fourth proportional to 10,518.68, 15,776.19 and 2,727.50 is: 4,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.68 : 15,776.19 = 2,727.50 : x
  2. Step 2: Convert to fraction form
    10,518.68/15,776.19 = 2,727.50/x
  3. Step 3: Cross multiply
    10,518.68x = 15,776.19 × 2,727.50
  4. Step 4: Simplify right side
    10,518.68x = 43,029,479.34
  5. Step 5: Solve for x
    x = 43,029,479.34/10,518.68
  6. Step 6: Final answer
    x = 4,090.77

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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.