Home / 13,125.44-19,683.91-4,358

Finding the Fourth Proportional to 13,125.44, 19,683.91 and 4,358

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Solution

The fourth proportional to 13,125.44, 19,683.91 and 4,358 is: 6,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.44 : 19,683.91 = 4,358 : x
  2. Step 2: Convert to fraction form
    13,125.44/19,683.91 = 4,358/x
  3. Step 3: Cross multiply
    13,125.44x = 19,683.91 × 4,358
  4. Step 4: Simplify right side
    13,125.44x = 85,782,479.78
  5. Step 5: Solve for x
    x = 85,782,479.78/13,125.44
  6. Step 6: Final answer
    x = 6,535.59

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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.