Home / 13,546.81-20,307.92-6,147.25

Finding the Fourth Proportional to 13,546.81, 20,307.92 and 6,147.25

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Solution

The fourth proportional to 13,546.81, 20,307.92 and 6,147.25 is: 9,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.81 : 20,307.92 = 6,147.25 : x
  2. Step 2: Convert to fraction form
    13,546.81/20,307.92 = 6,147.25/x
  3. Step 3: Cross multiply
    13,546.81x = 20,307.92 × 6,147.25
  4. Step 4: Simplify right side
    13,546.81x = 124,837,779.71
  5. Step 5: Solve for x
    x = 124,837,779.71/13,546.81
  6. Step 6: Final answer
    x = 9,215.29

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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.