Home / 12,535.41-18,778.89-6,971.94

Finding the Fourth Proportional to 12,535.41, 18,778.89 and 6,971.94

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Solution

The fourth proportional to 12,535.41, 18,778.89 and 6,971.94 is: 10,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.41 : 18,778.89 = 6,971.94 : x
  2. Step 2: Convert to fraction form
    12,535.41/18,778.89 = 6,971.94/x
  3. Step 3: Cross multiply
    12,535.41x = 18,778.89 × 6,971.94
  4. Step 4: Simplify right side
    12,535.41x = 130,925,294.35
  5. Step 5: Solve for x
    x = 130,925,294.35/12,535.41
  6. Step 6: Final answer
    x = 10,444.44

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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.