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Finding the Fourth Proportional to 9,089.70, 13,602.15 and 6,303.30

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Solution

The fourth proportional to 9,089.70, 13,602.15 and 6,303.30 is: 9,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.70 : 13,602.15 = 6,303.30 : x
  2. Step 2: Convert to fraction form
    9,089.70/13,602.15 = 6,303.30/x
  3. Step 3: Cross multiply
    9,089.70x = 13,602.15 × 6,303.30
  4. Step 4: Simplify right side
    9,089.70x = 85,738,432.10
  5. Step 5: Solve for x
    x = 85,738,432.10/9,089.70
  6. Step 6: Final answer
    x = 9,432.48

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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.