Home / 15,801.48-21,814.77-10,773.05

Finding the Fourth Proportional to 15,801.48, 21,814.77 and 10,773.05

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Solution

The fourth proportional to 15,801.48, 21,814.77 and 10,773.05 is: 14,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.48 : 21,814.77 = 10,773.05 : x
  2. Step 2: Convert to fraction form
    15,801.48/21,814.77 = 10,773.05/x
  3. Step 3: Cross multiply
    15,801.48x = 21,814.77 × 10,773.05
  4. Step 4: Simplify right side
    15,801.48x = 235,011,601.38
  5. Step 5: Solve for x
    x = 235,011,601.38/15,801.48
  6. Step 6: Final answer
    x = 14,872.76

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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.