Home / 13,213.57-19,823.66-9,325.57

Finding the Fourth Proportional to 13,213.57, 19,823.66 and 9,325.57

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Solution

The fourth proportional to 13,213.57, 19,823.66 and 9,325.57 is: 13,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.57 : 19,823.66 = 9,325.57 : x
  2. Step 2: Convert to fraction form
    13,213.57/19,823.66 = 9,325.57/x
  3. Step 3: Cross multiply
    13,213.57x = 19,823.66 × 9,325.57
  4. Step 4: Simplify right side
    13,213.57x = 184,866,928.99
  5. Step 5: Solve for x
    x = 184,866,928.99/13,213.57
  6. Step 6: Final answer
    x = 13,990.69

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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.