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Finding the Fourth Proportional to 8,852.01, 13,256.11 and 5,142.99

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Solution

The fourth proportional to 8,852.01, 13,256.11 and 5,142.99 is: 7,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.01 : 13,256.11 = 5,142.99 : x
  2. Step 2: Convert to fraction form
    8,852.01/13,256.11 = 5,142.99/x
  3. Step 3: Cross multiply
    8,852.01x = 13,256.11 × 5,142.99
  4. Step 4: Simplify right side
    8,852.01x = 68,176,041.17
  5. Step 5: Solve for x
    x = 68,176,041.17/8,852.01
  6. Step 6: Final answer
    x = 7,701.76

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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.