Home / 12,829.77-19,244.64-6,974.07

Finding the Fourth Proportional to 12,829.77, 19,244.64 and 6,974.07

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Solution

The fourth proportional to 12,829.77, 19,244.64 and 6,974.07 is: 10,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.77 : 19,244.64 = 6,974.07 : x
  2. Step 2: Convert to fraction form
    12,829.77/19,244.64 = 6,974.07/x
  3. Step 3: Cross multiply
    12,829.77x = 19,244.64 × 6,974.07
  4. Step 4: Simplify right side
    12,829.77x = 134,213,466.48
  5. Step 5: Solve for x
    x = 134,213,466.48/12,829.77
  6. Step 6: Final answer
    x = 10,461.10

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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.