Home / 14,274.51-19,698.03-7,987.29

Finding the Fourth Proportional to 14,274.51, 19,698.03 and 7,987.29

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Solution

The fourth proportional to 14,274.51, 19,698.03 and 7,987.29 is: 11,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.51 : 19,698.03 = 7,987.29 : x
  2. Step 2: Convert to fraction form
    14,274.51/19,698.03 = 7,987.29/x
  3. Step 3: Cross multiply
    14,274.51x = 19,698.03 × 7,987.29
  4. Step 4: Simplify right side
    14,274.51x = 157,333,878.04
  5. Step 5: Solve for x
    x = 157,333,878.04/14,274.51
  6. Step 6: Final answer
    x = 11,022.02

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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.