Home / 13,979.93-19,292.63-7,606.86

Finding the Fourth Proportional to 13,979.93, 19,292.63 and 7,606.86

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Solution

The fourth proportional to 13,979.93, 19,292.63 and 7,606.86 is: 10,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.93 : 19,292.63 = 7,606.86 : x
  2. Step 2: Convert to fraction form
    13,979.93/19,292.63 = 7,606.86/x
  3. Step 3: Cross multiply
    13,979.93x = 19,292.63 × 7,606.86
  4. Step 4: Simplify right side
    13,979.93x = 146,756,297.41
  5. Step 5: Solve for x
    x = 146,756,297.41/13,979.93
  6. Step 6: Final answer
    x = 10,497.65

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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.