Home / 9,303.12-12,838.64-5,324.60

Finding the Fourth Proportional to 9,303.12, 12,838.64 and 5,324.60

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Solution

The fourth proportional to 9,303.12, 12,838.64 and 5,324.60 is: 7,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.12 : 12,838.64 = 5,324.60 : x
  2. Step 2: Convert to fraction form
    9,303.12/12,838.64 = 5,324.60/x
  3. Step 3: Cross multiply
    9,303.12x = 12,838.64 × 5,324.60
  4. Step 4: Simplify right side
    9,303.12x = 68,360,628.02
  5. Step 5: Solve for x
    x = 68,360,628.02/9,303.12
  6. Step 6: Final answer
    x = 7,348.14

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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.