Home / 22,580.86-31,163.34-12,510.26

Finding the Fourth Proportional to 22,580.86, 31,163.34 and 12,510.26

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Solution

The fourth proportional to 22,580.86, 31,163.34 and 12,510.26 is: 17,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.86 : 31,163.34 = 12,510.26 : x
  2. Step 2: Convert to fraction form
    22,580.86/31,163.34 = 12,510.26/x
  3. Step 3: Cross multiply
    22,580.86x = 31,163.34 × 12,510.26
  4. Step 4: Simplify right side
    22,580.86x = 389,861,485.87
  5. Step 5: Solve for x
    x = 389,861,485.87/22,580.86
  6. Step 6: Final answer
    x = 17,265.13

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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.