Home / 18,117.45-25,001.64-10,159.65

Finding the Fourth Proportional to 18,117.45, 25,001.64 and 10,159.65

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Solution

The fourth proportional to 18,117.45, 25,001.64 and 10,159.65 is: 14,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.45 : 25,001.64 = 10,159.65 : x
  2. Step 2: Convert to fraction form
    18,117.45/25,001.64 = 10,159.65/x
  3. Step 3: Cross multiply
    18,117.45x = 25,001.64 × 10,159.65
  4. Step 4: Simplify right side
    18,117.45x = 254,007,911.83
  5. Step 5: Solve for x
    x = 254,007,911.83/18,117.45
  6. Step 6: Final answer
    x = 14,020.07

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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.