Home / 19,831.17-27,367.23-10,878.45

Finding the Fourth Proportional to 19,831.17, 27,367.23 and 10,878.45

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Solution

The fourth proportional to 19,831.17, 27,367.23 and 10,878.45 is: 15,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.17 : 27,367.23 = 10,878.45 : x
  2. Step 2: Convert to fraction form
    19,831.17/27,367.23 = 10,878.45/x
  3. Step 3: Cross multiply
    19,831.17x = 27,367.23 × 10,878.45
  4. Step 4: Simplify right side
    19,831.17x = 297,713,043.19
  5. Step 5: Solve for x
    x = 297,713,043.19/19,831.17
  6. Step 6: Final answer
    x = 15,012.38

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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.