Home / 11,656.13-17,486.93-3,864.94

Finding the Fourth Proportional to 11,656.13, 17,486.93 and 3,864.94

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Solution

The fourth proportional to 11,656.13, 17,486.93 and 3,864.94 is: 5,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.13 : 17,486.93 = 3,864.94 : x
  2. Step 2: Convert to fraction form
    11,656.13/17,486.93 = 3,864.94/x
  3. Step 3: Cross multiply
    11,656.13x = 17,486.93 × 3,864.94
  4. Step 4: Simplify right side
    11,656.13x = 67,585,901.18
  5. Step 5: Solve for x
    x = 67,585,901.18/11,656.13
  6. Step 6: Final answer
    x = 5,798.32

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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.