Home / 12,927.16-19,385.70-5,535.16

Finding the Fourth Proportional to 12,927.16, 19,385.70 and 5,535.16

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Solution

The fourth proportional to 12,927.16, 19,385.70 and 5,535.16 is: 8,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.16 : 19,385.70 = 5,535.16 : x
  2. Step 2: Convert to fraction form
    12,927.16/19,385.70 = 5,535.16/x
  3. Step 3: Cross multiply
    12,927.16x = 19,385.70 × 5,535.16
  4. Step 4: Simplify right side
    12,927.16x = 107,302,951.21
  5. Step 5: Solve for x
    x = 107,302,951.21/12,927.16
  6. Step 6: Final answer
    x = 8,300.58

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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.