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Finding the Fourth Proportional to 9,047.70, 13,600.35 and 8,529.30

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Solution

The fourth proportional to 9,047.70, 13,600.35 and 8,529.30 is: 12,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.70 : 13,600.35 = 8,529.30 : x
  2. Step 2: Convert to fraction form
    9,047.70/13,600.35 = 8,529.30/x
  3. Step 3: Cross multiply
    9,047.70x = 13,600.35 × 8,529.30
  4. Step 4: Simplify right side
    9,047.70x = 116,001,465.26
  5. Step 5: Solve for x
    x = 116,001,465.26/9,047.70
  6. Step 6: Final answer
    x = 12,821.10

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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.