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Finding the Fourth Proportional to 23,712.93, 35,569.40 and 8,130.69

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Solution

The fourth proportional to 23,712.93, 35,569.40 and 8,130.69 is: 12,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,712.93 : 35,569.40 = 8,130.69 : x
  2. Step 2: Convert to fraction form
    23,712.93/35,569.40 = 8,130.69/x
  3. Step 3: Cross multiply
    23,712.93x = 35,569.40 × 8,130.69
  4. Step 4: Simplify right side
    23,712.93x = 289,203,724.23
  5. Step 5: Solve for x
    x = 289,203,724.23/23,712.93
  6. Step 6: Final answer
    x = 12,196.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.