Home / 15,311.04-22,921.94-11,379.74

Finding the Fourth Proportional to 15,311.04, 22,921.94 and 11,379.74

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Solution

The fourth proportional to 15,311.04, 22,921.94 and 11,379.74 is: 17,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.04 : 22,921.94 = 11,379.74 : x
  2. Step 2: Convert to fraction form
    15,311.04/22,921.94 = 11,379.74/x
  3. Step 3: Cross multiply
    15,311.04x = 22,921.94 × 11,379.74
  4. Step 4: Simplify right side
    15,311.04x = 260,845,717.50
  5. Step 5: Solve for x
    x = 260,845,717.50/15,311.04
  6. Step 6: Final answer
    x = 17,036.45

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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.