Home / 13,061.19-18,059.88-12,850.17

Finding the Fourth Proportional to 13,061.19, 18,059.88 and 12,850.17

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Solution

The fourth proportional to 13,061.19, 18,059.88 and 12,850.17 is: 17,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.19 : 18,059.88 = 12,850.17 : x
  2. Step 2: Convert to fraction form
    13,061.19/18,059.88 = 12,850.17/x
  3. Step 3: Cross multiply
    13,061.19x = 18,059.88 × 12,850.17
  4. Step 4: Simplify right side
    13,061.19x = 232,072,528.18
  5. Step 5: Solve for x
    x = 232,072,528.18/13,061.19
  6. Step 6: Final answer
    x = 17,768.10

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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.