Home / 9,505.22-13,117.23-5,313.47

Finding the Fourth Proportional to 9,505.22, 13,117.23 and 5,313.47

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Solution

The fourth proportional to 9,505.22, 13,117.23 and 5,313.47 is: 7,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.22 : 13,117.23 = 5,313.47 : x
  2. Step 2: Convert to fraction form
    9,505.22/13,117.23 = 5,313.47/x
  3. Step 3: Cross multiply
    9,505.22x = 13,117.23 × 5,313.47
  4. Step 4: Simplify right side
    9,505.22x = 69,697,942.50
  5. Step 5: Solve for x
    x = 69,697,942.50/9,505.22
  6. Step 6: Final answer
    x = 7,332.60

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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.