Home / 22,685.74-34,088.76-12,163.51

Finding the Fourth Proportional to 22,685.74, 34,088.76 and 12,163.51

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Solution

The fourth proportional to 22,685.74, 34,088.76 and 12,163.51 is: 18,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.74 : 34,088.76 = 12,163.51 : x
  2. Step 2: Convert to fraction form
    22,685.74/34,088.76 = 12,163.51/x
  3. Step 3: Cross multiply
    22,685.74x = 34,088.76 × 12,163.51
  4. Step 4: Simplify right side
    22,685.74x = 414,638,973.15
  5. Step 5: Solve for x
    x = 414,638,973.15/22,685.74
  6. Step 6: Final answer
    x = 18,277.52

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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.