Home / 14,309.19-21,459.92-5,987.51

Finding the Fourth Proportional to 14,309.19, 21,459.92 and 5,987.51

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Solution

The fourth proportional to 14,309.19, 21,459.92 and 5,987.51 is: 8,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.19 : 21,459.92 = 5,987.51 : x
  2. Step 2: Convert to fraction form
    14,309.19/21,459.92 = 5,987.51/x
  3. Step 3: Cross multiply
    14,309.19x = 21,459.92 × 5,987.51
  4. Step 4: Simplify right side
    14,309.19x = 128,491,348.36
  5. Step 5: Solve for x
    x = 128,491,348.36/14,309.19
  6. Step 6: Final answer
    x = 8,979.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.