Home / 12,996.60-19,461.24-10,911.84

Finding the Fourth Proportional to 12,996.60, 19,461.24 and 10,911.84

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Solution

The fourth proportional to 12,996.60, 19,461.24 and 10,911.84 is: 16,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.60 : 19,461.24 = 10,911.84 : x
  2. Step 2: Convert to fraction form
    12,996.60/19,461.24 = 10,911.84/x
  3. Step 3: Cross multiply
    12,996.60x = 19,461.24 × 10,911.84
  4. Step 4: Simplify right side
    12,996.60x = 212,357,937.08
  5. Step 5: Solve for x
    x = 212,357,937.08/12,996.60
  6. Step 6: Final answer
    x = 16,339.50

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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.