Home / 22,812.48-34,218.72-8,583.63

Finding the Fourth Proportional to 22,812.48, 34,218.72 and 8,583.63

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Solution

The fourth proportional to 22,812.48, 34,218.72 and 8,583.63 is: 12,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.48 : 34,218.72 = 8,583.63 : x
  2. Step 2: Convert to fraction form
    22,812.48/34,218.72 = 8,583.63/x
  3. Step 3: Cross multiply
    22,812.48x = 34,218.72 × 8,583.63
  4. Step 4: Simplify right side
    22,812.48x = 293,720,965.33
  5. Step 5: Solve for x
    x = 293,720,965.33/22,812.48
  6. Step 6: Final answer
    x = 12,875.45

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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.