Home / 19,673.65-27,148.85-10,720.97

Finding the Fourth Proportional to 19,673.65, 27,148.85 and 10,720.97

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Solution

The fourth proportional to 19,673.65, 27,148.85 and 10,720.97 is: 14,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.65 : 27,148.85 = 10,720.97 : x
  2. Step 2: Convert to fraction form
    19,673.65/27,148.85 = 10,720.97/x
  3. Step 3: Cross multiply
    19,673.65x = 27,148.85 × 10,720.97
  4. Step 4: Simplify right side
    19,673.65x = 291,061,870.64
  5. Step 5: Solve for x
    x = 291,061,870.64/19,673.65
  6. Step 6: Final answer
    x = 14,794.50

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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.