Home / 13,885.27-20,818.67-7,648.23

Finding the Fourth Proportional to 13,885.27, 20,818.67 and 7,648.23

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Solution

The fourth proportional to 13,885.27, 20,818.67 and 7,648.23 is: 11,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.27 : 20,818.67 = 7,648.23 : x
  2. Step 2: Convert to fraction form
    13,885.27/20,818.67 = 7,648.23/x
  3. Step 3: Cross multiply
    13,885.27x = 20,818.67 × 7,648.23
  4. Step 4: Simplify right side
    13,885.27x = 159,225,938.21
  5. Step 5: Solve for x
    x = 159,225,938.21/13,885.27
  6. Step 6: Final answer
    x = 11,467.26

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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.