Home / 13,344.84-18,415.59-7,376.52

Finding the Fourth Proportional to 13,344.84, 18,415.59 and 7,376.52

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Solution

The fourth proportional to 13,344.84, 18,415.59 and 7,376.52 is: 10,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.84 : 18,415.59 = 7,376.52 : x
  2. Step 2: Convert to fraction form
    13,344.84/18,415.59 = 7,376.52/x
  3. Step 3: Cross multiply
    13,344.84x = 18,415.59 × 7,376.52
  4. Step 4: Simplify right side
    13,344.84x = 135,842,967.95
  5. Step 5: Solve for x
    x = 135,842,967.95/13,344.84
  6. Step 6: Final answer
    x = 10,179.44

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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.