Home / 16,330.64-22,502.88-15,448.40

Finding the Fourth Proportional to 16,330.64, 22,502.88 and 15,448.40

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Solution

The fourth proportional to 16,330.64, 22,502.88 and 15,448.40 is: 21,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,330.64 : 22,502.88 = 15,448.40 : x
  2. Step 2: Convert to fraction form
    16,330.64/22,502.88 = 15,448.40/x
  3. Step 3: Cross multiply
    16,330.64x = 22,502.88 × 15,448.40
  4. Step 4: Simplify right side
    16,330.64x = 347,633,491.39
  5. Step 5: Solve for x
    x = 347,633,491.39/16,330.64
  6. Step 6: Final answer
    x = 21,287.19

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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.