Home / 13,086.49-19,621.93-8,874.93

Finding the Fourth Proportional to 13,086.49, 19,621.93 and 8,874.93

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Solution

The fourth proportional to 13,086.49, 19,621.93 and 8,874.93 is: 13,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.49 : 19,621.93 = 8,874.93 : x
  2. Step 2: Convert to fraction form
    13,086.49/19,621.93 = 8,874.93/x
  3. Step 3: Cross multiply
    13,086.49x = 19,621.93 × 8,874.93
  4. Step 4: Simplify right side
    13,086.49x = 174,143,255.21
  5. Step 5: Solve for x
    x = 174,143,255.21/13,086.49
  6. Step 6: Final answer
    x = 13,307.10

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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.