Home / 16,955.04-23,398.64-11,280.68

Finding the Fourth Proportional to 16,955.04, 23,398.64 and 11,280.68

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Solution

The fourth proportional to 16,955.04, 23,398.64 and 11,280.68 is: 15,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.04 : 23,398.64 = 11,280.68 : x
  2. Step 2: Convert to fraction form
    16,955.04/23,398.64 = 11,280.68/x
  3. Step 3: Cross multiply
    16,955.04x = 23,398.64 × 11,280.68
  4. Step 4: Simplify right side
    16,955.04x = 263,952,570.28
  5. Step 5: Solve for x
    x = 263,952,570.28/16,955.04
  6. Step 6: Final answer
    x = 15,567.79

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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.