Home / 22,347.92-30,840.64-12,276.52

Finding the Fourth Proportional to 22,347.92, 30,840.64 and 12,276.52

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Solution

The fourth proportional to 22,347.92, 30,840.64 and 12,276.52 is: 16,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.92 : 30,840.64 = 12,276.52 : x
  2. Step 2: Convert to fraction form
    22,347.92/30,840.64 = 12,276.52/x
  3. Step 3: Cross multiply
    22,347.92x = 30,840.64 × 12,276.52
  4. Step 4: Simplify right side
    22,347.92x = 378,615,733.77
  5. Step 5: Solve for x
    x = 378,615,733.77/22,347.92
  6. Step 6: Final answer
    x = 16,941.88

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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.