Home / 19,444.96-26,831.58-12,272.20

Finding the Fourth Proportional to 19,444.96, 26,831.58 and 12,272.20

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Solution

The fourth proportional to 19,444.96, 26,831.58 and 12,272.20 is: 16,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.96 : 26,831.58 = 12,272.20 : x
  2. Step 2: Convert to fraction form
    19,444.96/26,831.58 = 12,272.20/x
  3. Step 3: Cross multiply
    19,444.96x = 26,831.58 × 12,272.20
  4. Step 4: Simplify right side
    19,444.96x = 329,282,516.08
  5. Step 5: Solve for x
    x = 329,282,516.08/19,444.96
  6. Step 6: Final answer
    x = 16,934.08

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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.