Home / 22,199.02-30,634.13-12,127.50

Finding the Fourth Proportional to 22,199.02, 30,634.13 and 12,127.50

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Solution

The fourth proportional to 22,199.02, 30,634.13 and 12,127.50 is: 16,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.02 : 30,634.13 = 12,127.50 : x
  2. Step 2: Convert to fraction form
    22,199.02/30,634.13 = 12,127.50/x
  3. Step 3: Cross multiply
    22,199.02x = 30,634.13 × 12,127.50
  4. Step 4: Simplify right side
    22,199.02x = 371,515,411.58
  5. Step 5: Solve for x
    x = 371,515,411.58/22,199.02
  6. Step 6: Final answer
    x = 16,735.67

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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.