Home / 25,309.61-37,964.46-8,669.78

Finding the Fourth Proportional to 25,309.61, 37,964.46 and 8,669.78

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Solution

The fourth proportional to 25,309.61, 37,964.46 and 8,669.78 is: 13,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.61 : 37,964.46 = 8,669.78 : x
  2. Step 2: Convert to fraction form
    25,309.61/37,964.46 = 8,669.78/x
  3. Step 3: Cross multiply
    25,309.61x = 37,964.46 × 8,669.78
  4. Step 4: Simplify right side
    25,309.61x = 329,143,501.07
  5. Step 5: Solve for x
    x = 329,143,501.07/25,309.61
  6. Step 6: Final answer
    x = 13,004.69

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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.