Home / 22,703.40-31,330.60-12,632.81

Finding the Fourth Proportional to 22,703.40, 31,330.60 and 12,632.81

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Solution

The fourth proportional to 22,703.40, 31,330.60 and 12,632.81 is: 17,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.40 : 31,330.60 = 12,632.81 : x
  2. Step 2: Convert to fraction form
    22,703.40/31,330.60 = 12,632.81/x
  3. Step 3: Cross multiply
    22,703.40x = 31,330.60 × 12,632.81
  4. Step 4: Simplify right side
    22,703.40x = 395,793,328.75
  5. Step 5: Solve for x
    x = 395,793,328.75/22,703.40
  6. Step 6: Final answer
    x = 17,433.22

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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.