Home / 19,637.88-29,457.72-7,794.06

Finding the Fourth Proportional to 19,637.88, 29,457.72 and 7,794.06

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Solution

The fourth proportional to 19,637.88, 29,457.72 and 7,794.06 is: 11,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.88 : 29,457.72 = 7,794.06 : x
  2. Step 2: Convert to fraction form
    19,637.88/29,457.72 = 7,794.06/x
  3. Step 3: Cross multiply
    19,637.88x = 29,457.72 × 7,794.06
  4. Step 4: Simplify right side
    19,637.88x = 229,595,237.14
  5. Step 5: Solve for x
    x = 229,595,237.14/19,637.88
  6. Step 6: Final answer
    x = 11,691.45

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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.