Home / 14,349.34-21,521.87-7,677.62

Finding the Fourth Proportional to 14,349.34, 21,521.87 and 7,677.62

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Solution

The fourth proportional to 14,349.34, 21,521.87 and 7,677.62 is: 11,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.34 : 21,521.87 = 7,677.62 : x
  2. Step 2: Convert to fraction form
    14,349.34/21,521.87 = 7,677.62/x
  3. Step 3: Cross multiply
    14,349.34x = 21,521.87 × 7,677.62
  4. Step 4: Simplify right side
    14,349.34x = 165,236,739.55
  5. Step 5: Solve for x
    x = 165,236,739.55/14,349.34
  6. Step 6: Final answer
    x = 11,515.28

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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.