Home / 16,331.51-22,538.42-12,345.70

Finding the Fourth Proportional to 16,331.51, 22,538.42 and 12,345.70

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Solution

The fourth proportional to 16,331.51, 22,538.42 and 12,345.70 is: 17,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.51 : 22,538.42 = 12,345.70 : x
  2. Step 2: Convert to fraction form
    16,331.51/22,538.42 = 12,345.70/x
  3. Step 3: Cross multiply
    16,331.51x = 22,538.42 × 12,345.70
  4. Step 4: Simplify right side
    16,331.51x = 278,252,571.79
  5. Step 5: Solve for x
    x = 278,252,571.79/16,331.51
  6. Step 6: Final answer
    x = 17,037.77

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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.