Home / 9,555.92-13,187.12-5,364.18

Finding the Fourth Proportional to 9,555.92, 13,187.12 and 5,364.18

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Solution

The fourth proportional to 9,555.92, 13,187.12 and 5,364.18 is: 7,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.92 : 13,187.12 = 5,364.18 : x
  2. Step 2: Convert to fraction form
    9,555.92/13,187.12 = 5,364.18/x
  3. Step 3: Cross multiply
    9,555.92x = 13,187.12 × 5,364.18
  4. Step 4: Simplify right side
    9,555.92x = 70,738,085.36
  5. Step 5: Solve for x
    x = 70,738,085.36/9,555.92
  6. Step 6: Final answer
    x = 7,402.54

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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.