Home / 13,979.64-19,292.27-7,606.64

Finding the Fourth Proportional to 13,979.64, 19,292.27 and 7,606.64

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Solution

The fourth proportional to 13,979.64, 19,292.27 and 7,606.64 is: 10,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.64 : 19,292.27 = 7,606.64 : x
  2. Step 2: Convert to fraction form
    13,979.64/19,292.27 = 7,606.64/x
  3. Step 3: Cross multiply
    13,979.64x = 19,292.27 × 7,606.64
  4. Step 4: Simplify right side
    13,979.64x = 146,749,218.18
  5. Step 5: Solve for x
    x = 146,749,218.18/13,979.64
  6. Step 6: Final answer
    x = 10,497.35

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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.