Home / 23,102.54-31,881.51-12,492.18

Finding the Fourth Proportional to 23,102.54, 31,881.51 and 12,492.18

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Solution

The fourth proportional to 23,102.54, 31,881.51 and 12,492.18 is: 17,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.54 : 31,881.51 = 12,492.18 : x
  2. Step 2: Convert to fraction form
    23,102.54/31,881.51 = 12,492.18/x
  3. Step 3: Cross multiply
    23,102.54x = 31,881.51 × 12,492.18
  4. Step 4: Simplify right side
    23,102.54x = 398,269,561.59
  5. Step 5: Solve for x
    x = 398,269,561.59/23,102.54
  6. Step 6: Final answer
    x = 17,239.21

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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.