Home / 14,760.40-20,376.74-9,388.24

Finding the Fourth Proportional to 14,760.40, 20,376.74 and 9,388.24

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Solution

The fourth proportional to 14,760.40, 20,376.74 and 9,388.24 is: 12,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.40 : 20,376.74 = 9,388.24 : x
  2. Step 2: Convert to fraction form
    14,760.40/20,376.74 = 9,388.24/x
  3. Step 3: Cross multiply
    14,760.40x = 20,376.74 × 9,388.24
  4. Step 4: Simplify right side
    14,760.40x = 191,301,725.54
  5. Step 5: Solve for x
    x = 191,301,725.54/14,760.40
  6. Step 6: Final answer
    x = 12,960.47

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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.