Home / 19,917.98-27,486.26-10,964.28

Finding the Fourth Proportional to 19,917.98, 27,486.26 and 10,964.28

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Solution

The fourth proportional to 19,917.98, 27,486.26 and 10,964.28 is: 15,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.98 : 27,486.26 = 10,964.28 : x
  2. Step 2: Convert to fraction form
    19,917.98/27,486.26 = 10,964.28/x
  3. Step 3: Cross multiply
    19,917.98x = 27,486.26 × 10,964.28
  4. Step 4: Simplify right side
    19,917.98x = 301,367,050.79
  5. Step 5: Solve for x
    x = 301,367,050.79/19,917.98
  6. Step 6: Final answer
    x = 15,130.40

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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.