Home / 13,484.26-20,230.38-6,915.06

Finding the Fourth Proportional to 13,484.26, 20,230.38 and 6,915.06

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Solution

The fourth proportional to 13,484.26, 20,230.38 and 6,915.06 is: 10,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.26 : 20,230.38 = 6,915.06 : x
  2. Step 2: Convert to fraction form
    13,484.26/20,230.38 = 6,915.06/x
  3. Step 3: Cross multiply
    13,484.26x = 20,230.38 × 6,915.06
  4. Step 4: Simplify right side
    13,484.26x = 139,894,291.52
  5. Step 5: Solve for x
    x = 139,894,291.52/13,484.26
  6. Step 6: Final answer
    x = 10,374.64

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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.