Home / 19,612.02-29,408.79-7,123.24

Finding the Fourth Proportional to 19,612.02, 29,408.79 and 7,123.24

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Solution

The fourth proportional to 19,612.02, 29,408.79 and 7,123.24 is: 10,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.02 : 29,408.79 = 7,123.24 : x
  2. Step 2: Convert to fraction form
    19,612.02/29,408.79 = 7,123.24/x
  3. Step 3: Cross multiply
    19,612.02x = 29,408.79 × 7,123.24
  4. Step 4: Simplify right side
    19,612.02x = 209,485,686.62
  5. Step 5: Solve for x
    x = 209,485,686.62/19,612.02
  6. Step 6: Final answer
    x = 10,681.49

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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.