Home / 12,970.01-19,465.43-6,731.84

Finding the Fourth Proportional to 12,970.01, 19,465.43 and 6,731.84

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Solution

The fourth proportional to 12,970.01, 19,465.43 and 6,731.84 is: 10,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970.01 : 19,465.43 = 6,731.84 : x
  2. Step 2: Convert to fraction form
    12,970.01/19,465.43 = 6,731.84/x
  3. Step 3: Cross multiply
    12,970.01x = 19,465.43 × 6,731.84
  4. Step 4: Simplify right side
    12,970.01x = 131,038,175.30
  5. Step 5: Solve for x
    x = 131,038,175.30/12,970.01
  6. Step 6: Final answer
    x = 10,103.16

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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.