Home / 12,948.78-19,423.17-6,019.50

Finding the Fourth Proportional to 12,948.78, 19,423.17 and 6,019.50

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Solution

The fourth proportional to 12,948.78, 19,423.17 and 6,019.50 is: 9,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.78 : 19,423.17 = 6,019.50 : x
  2. Step 2: Convert to fraction form
    12,948.78/19,423.17 = 6,019.50/x
  3. Step 3: Cross multiply
    12,948.78x = 19,423.17 × 6,019.50
  4. Step 4: Simplify right side
    12,948.78x = 116,917,771.82
  5. Step 5: Solve for x
    x = 116,917,771.82/12,948.78
  6. Step 6: Final answer
    x = 9,029.25

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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.