Home / 13,255.83-19,840.48-9,744.91

Finding the Fourth Proportional to 13,255.83, 19,840.48 and 9,744.91

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Solution

The fourth proportional to 13,255.83, 19,840.48 and 9,744.91 is: 14,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.83 : 19,840.48 = 9,744.91 : x
  2. Step 2: Convert to fraction form
    13,255.83/19,840.48 = 9,744.91/x
  3. Step 3: Cross multiply
    13,255.83x = 19,840.48 × 9,744.91
  4. Step 4: Simplify right side
    13,255.83x = 193,343,617.99
  5. Step 5: Solve for x
    x = 193,343,617.99/13,255.83
  6. Step 6: Final answer
    x = 14,585.55

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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.