Home / 19,831.53-27,372.28-13,468.74

Finding the Fourth Proportional to 19,831.53, 27,372.28 and 13,468.74

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Solution

The fourth proportional to 19,831.53, 27,372.28 and 13,468.74 is: 18,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.53 : 27,372.28 = 13,468.74 : x
  2. Step 2: Convert to fraction form
    19,831.53/27,372.28 = 13,468.74/x
  3. Step 3: Cross multiply
    19,831.53x = 27,372.28 × 13,468.74
  4. Step 4: Simplify right side
    19,831.53x = 368,670,122.53
  5. Step 5: Solve for x
    x = 368,670,122.53/19,831.53
  6. Step 6: Final answer
    x = 18,590.10

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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.