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Finding the Fourth Proportional to 10,369.08, 15,560.10 and 4,213.08

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Solution

The fourth proportional to 10,369.08, 15,560.10 and 4,213.08 is: 6,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.08 : 15,560.10 = 4,213.08 : x
  2. Step 2: Convert to fraction form
    10,369.08/15,560.10 = 4,213.08/x
  3. Step 3: Cross multiply
    10,369.08x = 15,560.10 × 4,213.08
  4. Step 4: Simplify right side
    10,369.08x = 65,555,946.11
  5. Step 5: Solve for x
    x = 65,555,946.11/10,369.08
  6. Step 6: Final answer
    x = 6,322.25

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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.