Home / 19,979.64-27,573.18-11,483.13

Finding the Fourth Proportional to 19,979.64, 27,573.18 and 11,483.13

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Solution

The fourth proportional to 19,979.64, 27,573.18 and 11,483.13 is: 15,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.64 : 27,573.18 = 11,483.13 : x
  2. Step 2: Convert to fraction form
    19,979.64/27,573.18 = 11,483.13/x
  3. Step 3: Cross multiply
    19,979.64x = 27,573.18 × 11,483.13
  4. Step 4: Simplify right side
    19,979.64x = 316,626,410.45
  5. Step 5: Solve for x
    x = 316,626,410.45/19,979.64
  6. Step 6: Final answer
    x = 15,847.45

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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.