Home / 12,869.52-19,300.16-4,102.38

Finding the Fourth Proportional to 12,869.52, 19,300.16 and 4,102.38

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Solution

The fourth proportional to 12,869.52, 19,300.16 and 4,102.38 is: 6,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.52 : 19,300.16 = 4,102.38 : x
  2. Step 2: Convert to fraction form
    12,869.52/19,300.16 = 4,102.38/x
  3. Step 3: Cross multiply
    12,869.52x = 19,300.16 × 4,102.38
  4. Step 4: Simplify right side
    12,869.52x = 79,176,590.38
  5. Step 5: Solve for x
    x = 79,176,590.38/12,869.52
  6. Step 6: Final answer
    x = 6,152.26

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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.