Home / 23,111.02-31,893.12-12,500.64

Finding the Fourth Proportional to 23,111.02, 31,893.12 and 12,500.64

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Solution

The fourth proportional to 23,111.02, 31,893.12 and 12,500.64 is: 17,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.02 : 31,893.12 = 12,500.64 : x
  2. Step 2: Convert to fraction form
    23,111.02/31,893.12 = 12,500.64/x
  3. Step 3: Cross multiply
    23,111.02x = 31,893.12 × 12,500.64
  4. Step 4: Simplify right side
    23,111.02x = 398,684,411.60
  5. Step 5: Solve for x
    x = 398,684,411.60/23,111.02
  6. Step 6: Final answer
    x = 17,250.84

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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.