Home / 19,539.64-29,309.05-4,748.63

Finding the Fourth Proportional to 19,539.64, 29,309.05 and 4,748.63

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Solution

The fourth proportional to 19,539.64, 29,309.05 and 4,748.63 is: 7,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.64 : 29,309.05 = 4,748.63 : x
  2. Step 2: Convert to fraction form
    19,539.64/29,309.05 = 4,748.63/x
  3. Step 3: Cross multiply
    19,539.64x = 29,309.05 × 4,748.63
  4. Step 4: Simplify right side
    19,539.64x = 139,177,810.36
  5. Step 5: Solve for x
    x = 139,177,810.36/19,539.64
  6. Step 6: Final answer
    x = 7,122.85

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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.