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Finding the Fourth Proportional to 9,000.80, 13,501.52 and 7,256.08

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Solution

The fourth proportional to 9,000.80, 13,501.52 and 7,256.08 is: 10,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.80 : 13,501.52 = 7,256.08 : x
  2. Step 2: Convert to fraction form
    9,000.80/13,501.52 = 7,256.08/x
  3. Step 3: Cross multiply
    9,000.80x = 13,501.52 × 7,256.08
  4. Step 4: Simplify right side
    9,000.80x = 97,968,109.24
  5. Step 5: Solve for x
    x = 97,968,109.24/9,000.80
  6. Step 6: Final answer
    x = 10,884.38

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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.