Home / 21,345.37-32,034.39-9,666.79

Finding the Fourth Proportional to 21,345.37, 32,034.39 and 9,666.79

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Solution

The fourth proportional to 21,345.37, 32,034.39 and 9,666.79 is: 14,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.37 : 32,034.39 = 9,666.79 : x
  2. Step 2: Convert to fraction form
    21,345.37/32,034.39 = 9,666.79/x
  3. Step 3: Cross multiply
    21,345.37x = 32,034.39 × 9,666.79
  4. Step 4: Simplify right side
    21,345.37x = 309,669,720.91
  5. Step 5: Solve for x
    x = 309,669,720.91/21,345.37
  6. Step 6: Final answer
    x = 14,507.58

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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.