Home / 8,684.03-13,018.32-3,136.16

Finding the Fourth Proportional to 8,684.03, 13,018.32 and 3,136.16

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Solution

The fourth proportional to 8,684.03, 13,018.32 and 3,136.16 is: 4,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.03 : 13,018.32 = 3,136.16 : x
  2. Step 2: Convert to fraction form
    8,684.03/13,018.32 = 3,136.16/x
  3. Step 3: Cross multiply
    8,684.03x = 13,018.32 × 3,136.16
  4. Step 4: Simplify right side
    8,684.03x = 40,827,567.00
  5. Step 5: Solve for x
    x = 40,827,567.00/8,684.03
  6. Step 6: Final answer
    x = 4,701.45

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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.