Home / 12,977.02-19,465.56-3,617.06

Finding the Fourth Proportional to 12,977.02, 19,465.56 and 3,617.06

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Solution

The fourth proportional to 12,977.02, 19,465.56 and 3,617.06 is: 5,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.02 : 19,465.56 = 3,617.06 : x
  2. Step 2: Convert to fraction form
    12,977.02/19,465.56 = 3,617.06/x
  3. Step 3: Cross multiply
    12,977.02x = 19,465.56 × 3,617.06
  4. Step 4: Simplify right side
    12,977.02x = 70,408,098.45
  5. Step 5: Solve for x
    x = 70,408,098.45/12,977.02
  6. Step 6: Final answer
    x = 5,425.60

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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.