Home / 30,864.11-46,286.59-11,140.10

Finding the Fourth Proportional to 30,864.11, 46,286.59 and 11,140.10

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Solution

The fourth proportional to 30,864.11, 46,286.59 and 11,140.10 is: 16,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.11 : 46,286.59 = 11,140.10 : x
  2. Step 2: Convert to fraction form
    30,864.11/46,286.59 = 11,140.10/x
  3. Step 3: Cross multiply
    30,864.11x = 46,286.59 × 11,140.10
  4. Step 4: Simplify right side
    30,864.11x = 515,637,241.26
  5. Step 5: Solve for x
    x = 515,637,241.26/30,864.11
  6. Step 6: Final answer
    x = 16,706.69

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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.