Home / 22,903.05-31,605.95-12,831.46

Finding the Fourth Proportional to 22,903.05, 31,605.95 and 12,831.46

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Solution

The fourth proportional to 22,903.05, 31,605.95 and 12,831.46 is: 17,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.05 : 31,605.95 = 12,831.46 : x
  2. Step 2: Convert to fraction form
    22,903.05/31,605.95 = 12,831.46/x
  3. Step 3: Cross multiply
    22,903.05x = 31,605.95 × 12,831.46
  4. Step 4: Simplify right side
    22,903.05x = 405,550,541.86
  5. Step 5: Solve for x
    x = 405,550,541.86/22,903.05
  6. Step 6: Final answer
    x = 17,707.27

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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.