Home / 12,937.92-19,377.68-9,059.64

Finding the Fourth Proportional to 12,937.92, 19,377.68 and 9,059.64

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Solution

The fourth proportional to 12,937.92, 19,377.68 and 9,059.64 is: 13,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.92 : 19,377.68 = 9,059.64 : x
  2. Step 2: Convert to fraction form
    12,937.92/19,377.68 = 9,059.64/x
  3. Step 3: Cross multiply
    12,937.92x = 19,377.68 × 9,059.64
  4. Step 4: Simplify right side
    12,937.92x = 175,554,804.84
  5. Step 5: Solve for x
    x = 175,554,804.84/12,937.92
  6. Step 6: Final answer
    x = 13,569.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.