Home / 17,348.28-23,938.80-12,813.36

Finding the Fourth Proportional to 17,348.28, 23,938.80 and 12,813.36

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Solution

The fourth proportional to 17,348.28, 23,938.80 and 12,813.36 is: 17,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.28 : 23,938.80 = 12,813.36 : x
  2. Step 2: Convert to fraction form
    17,348.28/23,938.80 = 12,813.36/x
  3. Step 3: Cross multiply
    17,348.28x = 23,938.80 × 12,813.36
  4. Step 4: Simplify right side
    17,348.28x = 306,736,462.37
  5. Step 5: Solve for x
    x = 306,736,462.37/17,348.28
  6. Step 6: Final answer
    x = 17,681.09

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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.