Home / 13,827.02-19,080.99-7,539.26

Finding the Fourth Proportional to 13,827.02, 19,080.99 and 7,539.26

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Solution

The fourth proportional to 13,827.02, 19,080.99 and 7,539.26 is: 10,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.02 : 19,080.99 = 7,539.26 : x
  2. Step 2: Convert to fraction form
    13,827.02/19,080.99 = 7,539.26/x
  3. Step 3: Cross multiply
    13,827.02x = 19,080.99 × 7,539.26
  4. Step 4: Simplify right side
    13,827.02x = 143,856,544.67
  5. Step 5: Solve for x
    x = 143,856,544.67/13,827.02
  6. Step 6: Final answer
    x = 10,404.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.