Home / 18,307.39-27,429.71-12,292.19

Finding the Fourth Proportional to 18,307.39, 27,429.71 and 12,292.19

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Solution

The fourth proportional to 18,307.39, 27,429.71 and 12,292.19 is: 18,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.39 : 27,429.71 = 12,292.19 : x
  2. Step 2: Convert to fraction form
    18,307.39/27,429.71 = 12,292.19/x
  3. Step 3: Cross multiply
    18,307.39x = 27,429.71 × 12,292.19
  4. Step 4: Simplify right side
    18,307.39x = 337,171,265.51
  5. Step 5: Solve for x
    x = 337,171,265.51/18,307.39
  6. Step 6: Final answer
    x = 18,417.22

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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.