Home / 23,090.84-31,865.51-12,480.46

Finding the Fourth Proportional to 23,090.84, 31,865.51 and 12,480.46

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Solution

The fourth proportional to 23,090.84, 31,865.51 and 12,480.46 is: 17,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090.84 : 31,865.51 = 12,480.46 : x
  2. Step 2: Convert to fraction form
    23,090.84/31,865.51 = 12,480.46/x
  3. Step 3: Cross multiply
    23,090.84x = 31,865.51 × 12,480.46
  4. Step 4: Simplify right side
    23,090.84x = 397,696,222.93
  5. Step 5: Solve for x
    x = 397,696,222.93/23,090.84
  6. Step 6: Final answer
    x = 17,223.12

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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.