Home / 13,984.84-19,295.22-9,731.13

Finding the Fourth Proportional to 13,984.84, 19,295.22 and 9,731.13

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Solution

The fourth proportional to 13,984.84, 19,295.22 and 9,731.13 is: 13,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.84 : 19,295.22 = 9,731.13 : x
  2. Step 2: Convert to fraction form
    13,984.84/19,295.22 = 9,731.13/x
  3. Step 3: Cross multiply
    13,984.84x = 19,295.22 × 9,731.13
  4. Step 4: Simplify right side
    13,984.84x = 187,764,294.20
  5. Step 5: Solve for x
    x = 187,764,294.20/13,984.84
  6. Step 6: Final answer
    x = 13,426.27

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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.