Home / 19,539.30-29,308.88-4,748.27

Finding the Fourth Proportional to 19,539.30, 29,308.88 and 4,748.27

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Solution

The fourth proportional to 19,539.30, 29,308.88 and 4,748.27 is: 7,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.30 : 29,308.88 = 4,748.27 : x
  2. Step 2: Convert to fraction form
    19,539.30/29,308.88 = 4,748.27/x
  3. Step 3: Cross multiply
    19,539.30x = 29,308.88 × 4,748.27
  4. Step 4: Simplify right side
    19,539.30x = 139,166,327.61
  5. Step 5: Solve for x
    x = 139,166,327.61/19,539.30
  6. Step 6: Final answer
    x = 7,122.38

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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.