Home / 13,319.53-20,001.98-12,762.25

Finding the Fourth Proportional to 13,319.53, 20,001.98 and 12,762.25

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Solution

The fourth proportional to 13,319.53, 20,001.98 and 12,762.25 is: 19,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.53 : 20,001.98 = 12,762.25 : x
  2. Step 2: Convert to fraction form
    13,319.53/20,001.98 = 12,762.25/x
  3. Step 3: Cross multiply
    13,319.53x = 20,001.98 × 12,762.25
  4. Step 4: Simplify right side
    13,319.53x = 255,270,205.44
  5. Step 5: Solve for x
    x = 255,270,205.44/13,319.53
  6. Step 6: Final answer
    x = 19,165.11

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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.