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Finding the Fourth Proportional to 11,615.08, 16,030.04 and 6,899.80

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Solution

The fourth proportional to 11,615.08, 16,030.04 and 6,899.80 is: 9,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.08 : 16,030.04 = 6,899.80 : x
  2. Step 2: Convert to fraction form
    11,615.08/16,030.04 = 6,899.80/x
  3. Step 3: Cross multiply
    11,615.08x = 16,030.04 × 6,899.80
  4. Step 4: Simplify right side
    11,615.08x = 110,604,069.99
  5. Step 5: Solve for x
    x = 110,604,069.99/11,615.08
  6. Step 6: Final answer
    x = 9,522.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.