Home / 13,008.02-19,515.14-4,242.95

Finding the Fourth Proportional to 13,008.02, 19,515.14 and 4,242.95

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Solution

The fourth proportional to 13,008.02, 19,515.14 and 4,242.95 is: 6,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.02 : 19,515.14 = 4,242.95 : x
  2. Step 2: Convert to fraction form
    13,008.02/19,515.14 = 4,242.95/x
  3. Step 3: Cross multiply
    13,008.02x = 19,515.14 × 4,242.95
  4. Step 4: Simplify right side
    13,008.02x = 82,801,644.47
  5. Step 5: Solve for x
    x = 82,801,644.47/13,008.02
  6. Step 6: Final answer
    x = 6,365.43

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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.