Home / 11,407.52-17,089.12-7,500.16

Finding the Fourth Proportional to 11,407.52, 17,089.12 and 7,500.16

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Solution

The fourth proportional to 11,407.52, 17,089.12 and 7,500.16 is: 11,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.52 : 17,089.12 = 7,500.16 : x
  2. Step 2: Convert to fraction form
    11,407.52/17,089.12 = 7,500.16/x
  3. Step 3: Cross multiply
    11,407.52x = 17,089.12 × 7,500.16
  4. Step 4: Simplify right side
    11,407.52x = 128,171,134.26
  5. Step 5: Solve for x
    x = 128,171,134.26/11,407.52
  6. Step 6: Final answer
    x = 11,235.67

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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.