Home / 16,631.74-22,952.22-9,918.68

Finding the Fourth Proportional to 16,631.74, 22,952.22 and 9,918.68

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Solution

The fourth proportional to 16,631.74, 22,952.22 and 9,918.68 is: 13,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.74 : 22,952.22 = 9,918.68 : x
  2. Step 2: Convert to fraction form
    16,631.74/22,952.22 = 9,918.68/x
  3. Step 3: Cross multiply
    16,631.74x = 22,952.22 × 9,918.68
  4. Step 4: Simplify right side
    16,631.74x = 227,655,725.47
  5. Step 5: Solve for x
    x = 227,655,725.47/16,631.74
  6. Step 6: Final answer
    x = 13,688.03

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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.