Home / 9,685.17-14,528.77-3,109.79

Finding the Fourth Proportional to 9,685.17, 14,528.77 and 3,109.79

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Solution

The fourth proportional to 9,685.17, 14,528.77 and 3,109.79 is: 4,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.17 : 14,528.77 = 3,109.79 : x
  2. Step 2: Convert to fraction form
    9,685.17/14,528.77 = 3,109.79/x
  3. Step 3: Cross multiply
    9,685.17x = 14,528.77 × 3,109.79
  4. Step 4: Simplify right side
    9,685.17x = 45,181,452.21
  5. Step 5: Solve for x
    x = 45,181,452.21/9,685.17
  6. Step 6: Final answer
    x = 4,665.01

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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.