Home / 19,709.02-29,538.78-9,851.05

Finding the Fourth Proportional to 19,709.02, 29,538.78 and 9,851.05

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Solution

The fourth proportional to 19,709.02, 29,538.78 and 9,851.05 is: 14,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.02 : 29,538.78 = 9,851.05 : x
  2. Step 2: Convert to fraction form
    19,709.02/29,538.78 = 9,851.05/x
  3. Step 3: Cross multiply
    19,709.02x = 29,538.78 × 9,851.05
  4. Step 4: Simplify right side
    19,709.02x = 290,987,998.72
  5. Step 5: Solve for x
    x = 290,987,998.72/19,709.02
  6. Step 6: Final answer
    x = 14,764.20

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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.