Home / 13,218.02-19,829.50-10,774.26

Finding the Fourth Proportional to 13,218.02, 19,829.50 and 10,774.26

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Solution

The fourth proportional to 13,218.02, 19,829.50 and 10,774.26 is: 16,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.02 : 19,829.50 = 10,774.26 : x
  2. Step 2: Convert to fraction form
    13,218.02/19,829.50 = 10,774.26/x
  3. Step 3: Cross multiply
    13,218.02x = 19,829.50 × 10,774.26
  4. Step 4: Simplify right side
    13,218.02x = 213,648,188.67
  5. Step 5: Solve for x
    x = 213,648,188.67/13,218.02
  6. Step 6: Final answer
    x = 16,163.40

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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.