Home / 14,306.04-21,465.12-7,724.56

Finding the Fourth Proportional to 14,306.04, 21,465.12 and 7,724.56

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Solution

The fourth proportional to 14,306.04, 21,465.12 and 7,724.56 is: 11,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.04 : 21,465.12 = 7,724.56 : x
  2. Step 2: Convert to fraction form
    14,306.04/21,465.12 = 7,724.56/x
  3. Step 3: Cross multiply
    14,306.04x = 21,465.12 × 7,724.56
  4. Step 4: Simplify right side
    14,306.04x = 165,808,607.35
  5. Step 5: Solve for x
    x = 165,808,607.35/14,306.04
  6. Step 6: Final answer
    x = 11,590.11

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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.