Home / 18,107.19-24,988.64-10,149.35

Finding the Fourth Proportional to 18,107.19, 24,988.64 and 10,149.35

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Solution

The fourth proportional to 18,107.19, 24,988.64 and 10,149.35 is: 14,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.19 : 24,988.64 = 10,149.35 : x
  2. Step 2: Convert to fraction form
    18,107.19/24,988.64 = 10,149.35/x
  3. Step 3: Cross multiply
    18,107.19x = 24,988.64 × 10,149.35
  4. Step 4: Simplify right side
    18,107.19x = 253,618,277.69
  5. Step 5: Solve for x
    x = 253,618,277.69/18,107.19
  6. Step 6: Final answer
    x = 14,006.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.