Home / 22,246.64-30,688.04-14,279.92

Finding the Fourth Proportional to 22,246.64, 30,688.04 and 14,279.92

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Solution

The fourth proportional to 22,246.64, 30,688.04 and 14,279.92 is: 19,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.64 : 30,688.04 = 14,279.92 : x
  2. Step 2: Convert to fraction form
    22,246.64/30,688.04 = 14,279.92/x
  3. Step 3: Cross multiply
    22,246.64x = 30,688.04 × 14,279.92
  4. Step 4: Simplify right side
    22,246.64x = 438,222,756.16
  5. Step 5: Solve for x
    x = 438,222,756.16/22,246.64
  6. Step 6: Final answer
    x = 19,698.38

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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.