Home / 18,509.25-25,542.67-10,011.31

Finding the Fourth Proportional to 18,509.25, 25,542.67 and 10,011.31

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Solution

The fourth proportional to 18,509.25, 25,542.67 and 10,011.31 is: 13,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.25 : 25,542.67 = 10,011.31 : x
  2. Step 2: Convert to fraction form
    18,509.25/25,542.67 = 10,011.31/x
  3. Step 3: Cross multiply
    18,509.25x = 25,542.67 × 10,011.31
  4. Step 4: Simplify right side
    18,509.25x = 255,715,498.71
  5. Step 5: Solve for x
    x = 255,715,498.71/18,509.25
  6. Step 6: Final answer
    x = 13,815.55

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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.