Home / 9,612.32-14,409.89-5,172.36

Finding the Fourth Proportional to 9,612.32, 14,409.89 and 5,172.36

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Solution

The fourth proportional to 9,612.32, 14,409.89 and 5,172.36 is: 7,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.32 : 14,409.89 = 5,172.36 : x
  2. Step 2: Convert to fraction form
    9,612.32/14,409.89 = 5,172.36/x
  3. Step 3: Cross multiply
    9,612.32x = 14,409.89 × 5,172.36
  4. Step 4: Simplify right side
    9,612.32x = 74,533,112.78
  5. Step 5: Solve for x
    x = 74,533,112.78/9,612.32
  6. Step 6: Final answer
    x = 7,753.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.