Home / 19,538.29-29,307.34-4,747.25

Finding the Fourth Proportional to 19,538.29, 29,307.34 and 4,747.25

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Solution

The fourth proportional to 19,538.29, 29,307.34 and 4,747.25 is: 7,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.29 : 29,307.34 = 4,747.25 : x
  2. Step 2: Convert to fraction form
    19,538.29/29,307.34 = 4,747.25/x
  3. Step 3: Cross multiply
    19,538.29x = 29,307.34 × 4,747.25
  4. Step 4: Simplify right side
    19,538.29x = 139,129,156.30
  5. Step 5: Solve for x
    x = 139,129,156.30/19,538.29
  6. Step 6: Final answer
    x = 7,120.85

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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.