Home / 14,954.85-20,637.77-8,240.15

Finding the Fourth Proportional to 14,954.85, 20,637.77 and 8,240.15

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Solution

The fourth proportional to 14,954.85, 20,637.77 and 8,240.15 is: 11,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.85 : 20,637.77 = 8,240.15 : x
  2. Step 2: Convert to fraction form
    14,954.85/20,637.77 = 8,240.15/x
  3. Step 3: Cross multiply
    14,954.85x = 20,637.77 × 8,240.15
  4. Step 4: Simplify right side
    14,954.85x = 170,058,330.86
  5. Step 5: Solve for x
    x = 170,058,330.86/14,954.85
  6. Step 6: Final answer
    x = 11,371.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.