Home / 13,421.60-20,124.52-4,058.80

Finding the Fourth Proportional to 13,421.60, 20,124.52 and 4,058.80

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Solution

The fourth proportional to 13,421.60, 20,124.52 and 4,058.80 is: 6,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,421.60 : 20,124.52 = 4,058.80 : x
  2. Step 2: Convert to fraction form
    13,421.60/20,124.52 = 4,058.80/x
  3. Step 3: Cross multiply
    13,421.60x = 20,124.52 × 4,058.80
  4. Step 4: Simplify right side
    13,421.60x = 81,681,401.78
  5. Step 5: Solve for x
    x = 81,681,401.78/13,421.60
  6. Step 6: Final answer
    x = 6,085.82

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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.