Home / 9,561.57-13,194.79-5,312.67

Finding the Fourth Proportional to 9,561.57, 13,194.79 and 5,312.67

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Solution

The fourth proportional to 9,561.57, 13,194.79 and 5,312.67 is: 7,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.57 : 13,194.79 = 5,312.67 : x
  2. Step 2: Convert to fraction form
    9,561.57/13,194.79 = 5,312.67/x
  3. Step 3: Cross multiply
    9,561.57x = 13,194.79 × 5,312.67
  4. Step 4: Simplify right side
    9,561.57x = 70,099,564.99
  5. Step 5: Solve for x
    x = 70,099,564.99/9,561.57
  6. Step 6: Final answer
    x = 7,331.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.