Home / 22,684.63-31,303.30-12,612.70

Finding the Fourth Proportional to 22,684.63, 31,303.30 and 12,612.70

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Solution

The fourth proportional to 22,684.63, 31,303.30 and 12,612.70 is: 17,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.63 : 31,303.30 = 12,612.70 : x
  2. Step 2: Convert to fraction form
    22,684.63/31,303.30 = 12,612.70/x
  3. Step 3: Cross multiply
    22,684.63x = 31,303.30 × 12,612.70
  4. Step 4: Simplify right side
    22,684.63x = 394,818,975.39
  5. Step 5: Solve for x
    x = 394,818,975.39/22,684.63
  6. Step 6: Final answer
    x = 17,404.69

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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.