Home / 10,333.08-15,487.92-8,492.40

Finding the Fourth Proportional to 10,333.08, 15,487.92 and 8,492.40

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Solution

The fourth proportional to 10,333.08, 15,487.92 and 8,492.40 is: 12,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.08 : 15,487.92 = 8,492.40 : x
  2. Step 2: Convert to fraction form
    10,333.08/15,487.92 = 8,492.40/x
  3. Step 3: Cross multiply
    10,333.08x = 15,487.92 × 8,492.40
  4. Step 4: Simplify right side
    10,333.08x = 131,529,611.81
  5. Step 5: Solve for x
    x = 131,529,611.81/10,333.08
  6. Step 6: Final answer
    x = 12,728.98

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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.