Home / 11,309.04-16,938.90-6,913.17

Finding the Fourth Proportional to 11,309.04, 16,938.90 and 6,913.17

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Solution

The fourth proportional to 11,309.04, 16,938.90 and 6,913.17 is: 10,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.04 : 16,938.90 = 6,913.17 : x
  2. Step 2: Convert to fraction form
    11,309.04/16,938.90 = 6,913.17/x
  3. Step 3: Cross multiply
    11,309.04x = 16,938.90 × 6,913.17
  4. Step 4: Simplify right side
    11,309.04x = 117,101,495.31
  5. Step 5: Solve for x
    x = 117,101,495.31/11,309.04
  6. Step 6: Final answer
    x = 10,354.68

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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.