Home / 12,639.48-17,444.46-9,011.16

Finding the Fourth Proportional to 12,639.48, 17,444.46 and 9,011.16

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Solution

The fourth proportional to 12,639.48, 17,444.46 and 9,011.16 is: 12,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639.48 : 17,444.46 = 9,011.16 : x
  2. Step 2: Convert to fraction form
    12,639.48/17,444.46 = 9,011.16/x
  3. Step 3: Cross multiply
    12,639.48x = 17,444.46 × 9,011.16
  4. Step 4: Simplify right side
    12,639.48x = 157,194,820.17
  5. Step 5: Solve for x
    x = 157,194,820.17/12,639.48
  6. Step 6: Final answer
    x = 12,436.81

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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.