Home / 18,834.86-25,987.92-10,875.36

Finding the Fourth Proportional to 18,834.86, 25,987.92 and 10,875.36

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Solution

The fourth proportional to 18,834.86, 25,987.92 and 10,875.36 is: 15,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.86 : 25,987.92 = 10,875.36 : x
  2. Step 2: Convert to fraction form
    18,834.86/25,987.92 = 10,875.36/x
  3. Step 3: Cross multiply
    18,834.86x = 25,987.92 × 10,875.36
  4. Step 4: Simplify right side
    18,834.86x = 282,627,985.65
  5. Step 5: Solve for x
    x = 282,627,985.65/18,834.86
  6. Step 6: Final answer
    x = 15,005.58

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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.