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Finding the Fourth Proportional to 11,368.01, 17,035.94 and 8,554.98

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Solution

The fourth proportional to 11,368.01, 17,035.94 and 8,554.98 is: 12,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.01 : 17,035.94 = 8,554.98 : x
  2. Step 2: Convert to fraction form
    11,368.01/17,035.94 = 8,554.98/x
  3. Step 3: Cross multiply
    11,368.01x = 17,035.94 × 8,554.98
  4. Step 4: Simplify right side
    11,368.01x = 145,742,125.98
  5. Step 5: Solve for x
    x = 145,742,125.98/11,368.01
  6. Step 6: Final answer
    x = 12,820.37

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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.