Home / 14,357.23-21,489.66-7,677.05

Finding the Fourth Proportional to 14,357.23, 21,489.66 and 7,677.05

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Solution

The fourth proportional to 14,357.23, 21,489.66 and 7,677.05 is: 11,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.23 : 21,489.66 = 7,677.05 : x
  2. Step 2: Convert to fraction form
    14,357.23/21,489.66 = 7,677.05/x
  3. Step 3: Cross multiply
    14,357.23x = 21,489.66 × 7,677.05
  4. Step 4: Simplify right side
    14,357.23x = 164,977,194.30
  5. Step 5: Solve for x
    x = 164,977,194.30/14,357.23
  6. Step 6: Final answer
    x = 11,490.88

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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.