Home / 11,309.04-15,605.28-6,272.10

Finding the Fourth Proportional to 11,309.04, 15,605.28 and 6,272.10

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Solution

The fourth proportional to 11,309.04, 15,605.28 and 6,272.10 is: 8,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.04 : 15,605.28 = 6,272.10 : x
  2. Step 2: Convert to fraction form
    11,309.04/15,605.28 = 6,272.10/x
  3. Step 3: Cross multiply
    11,309.04x = 15,605.28 × 6,272.10
  4. Step 4: Simplify right side
    11,309.04x = 97,877,876.69
  5. Step 5: Solve for x
    x = 97,877,876.69/11,309.04
  6. Step 6: Final answer
    x = 8,654.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.