Home / 22,902.95-31,606.98-12,831.47

Finding the Fourth Proportional to 22,902.95, 31,606.98 and 12,831.47

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Solution

The fourth proportional to 22,902.95, 31,606.98 and 12,831.47 is: 17,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.95 : 31,606.98 = 12,831.47 : x
  2. Step 2: Convert to fraction form
    22,902.95/31,606.98 = 12,831.47/x
  3. Step 3: Cross multiply
    22,902.95x = 31,606.98 × 12,831.47
  4. Step 4: Simplify right side
    22,902.95x = 405,564,015.66
  5. Step 5: Solve for x
    x = 405,564,015.66/22,902.95
  6. Step 6: Final answer
    x = 17,707.94

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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.