Home / 14,719.51-20,293.05-9,995.59

Finding the Fourth Proportional to 14,719.51, 20,293.05 and 9,995.59

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Solution

The fourth proportional to 14,719.51, 20,293.05 and 9,995.59 is: 13,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.51 : 20,293.05 = 9,995.59 : x
  2. Step 2: Convert to fraction form
    14,719.51/20,293.05 = 9,995.59/x
  3. Step 3: Cross multiply
    14,719.51x = 20,293.05 × 9,995.59
  4. Step 4: Simplify right side
    14,719.51x = 202,841,007.65
  5. Step 5: Solve for x
    x = 202,841,007.65/14,719.51
  6. Step 6: Final answer
    x = 13,780.42

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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.