Home / 9,504.95-13,116.74-5,313.20

Finding the Fourth Proportional to 9,504.95, 13,116.74 and 5,313.20

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Solution

The fourth proportional to 9,504.95, 13,116.74 and 5,313.20 is: 7,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.95 : 13,116.74 = 5,313.20 : x
  2. Step 2: Convert to fraction form
    9,504.95/13,116.74 = 5,313.20/x
  3. Step 3: Cross multiply
    9,504.95x = 13,116.74 × 5,313.20
  4. Step 4: Simplify right side
    9,504.95x = 69,691,770.82
  5. Step 5: Solve for x
    x = 69,691,770.82/9,504.95
  6. Step 6: Final answer
    x = 7,332.16

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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.