Home / 13,058.10-19,586.34-4,173.21

Finding the Fourth Proportional to 13,058.10, 19,586.34 and 4,173.21

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Solution

The fourth proportional to 13,058.10, 19,586.34 and 4,173.21 is: 6,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.10 : 19,586.34 = 4,173.21 : x
  2. Step 2: Convert to fraction form
    13,058.10/19,586.34 = 4,173.21/x
  3. Step 3: Cross multiply
    13,058.10x = 19,586.34 × 4,173.21
  4. Step 4: Simplify right side
    13,058.10x = 81,737,909.95
  5. Step 5: Solve for x
    x = 81,737,909.95/13,058.10
  6. Step 6: Final answer
    x = 6,259.56

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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.