Home / 19,530.37-29,294.34-8,429.25

Finding the Fourth Proportional to 19,530.37, 29,294.34 and 8,429.25

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Solution

The fourth proportional to 19,530.37, 29,294.34 and 8,429.25 is: 12,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.37 : 29,294.34 = 8,429.25 : x
  2. Step 2: Convert to fraction form
    19,530.37/29,294.34 = 8,429.25/x
  3. Step 3: Cross multiply
    19,530.37x = 29,294.34 × 8,429.25
  4. Step 4: Simplify right side
    19,530.37x = 246,929,315.45
  5. Step 5: Solve for x
    x = 246,929,315.45/19,530.37
  6. Step 6: Final answer
    x = 12,643.35

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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.