Home / 12,946.16-19,419.24-3,712.16

Finding the Fourth Proportional to 12,946.16, 19,419.24 and 3,712.16

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Solution

The fourth proportional to 12,946.16, 19,419.24 and 3,712.16 is: 5,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.16 : 19,419.24 = 3,712.16 : x
  2. Step 2: Convert to fraction form
    12,946.16/19,419.24 = 3,712.16/x
  3. Step 3: Cross multiply
    12,946.16x = 19,419.24 × 3,712.16
  4. Step 4: Simplify right side
    12,946.16x = 72,087,325.96
  5. Step 5: Solve for x
    x = 72,087,325.96/12,946.16
  6. Step 6: Final answer
    x = 5,568.24

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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.