Home / 12,977.02-17,851.62-11,376.46

Finding the Fourth Proportional to 12,977.02, 17,851.62 and 11,376.46

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Solution

The fourth proportional to 12,977.02, 17,851.62 and 11,376.46 is: 15,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.02 : 17,851.62 = 11,376.46 : x
  2. Step 2: Convert to fraction form
    12,977.02/17,851.62 = 11,376.46/x
  3. Step 3: Cross multiply
    12,977.02x = 17,851.62 × 11,376.46
  4. Step 4: Simplify right side
    12,977.02x = 203,088,240.87
  5. Step 5: Solve for x
    x = 203,088,240.87/12,977.02
  6. Step 6: Final answer
    x = 15,649.84

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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.