Home / 19,715.61-29,555.82-7,232.72

Finding the Fourth Proportional to 19,715.61, 29,555.82 and 7,232.72

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Solution

The fourth proportional to 19,715.61, 29,555.82 and 7,232.72 is: 10,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.61 : 29,555.82 = 7,232.72 : x
  2. Step 2: Convert to fraction form
    19,715.61/29,555.82 = 7,232.72/x
  3. Step 3: Cross multiply
    19,715.61x = 29,555.82 × 7,232.72
  4. Step 4: Simplify right side
    19,715.61x = 213,768,822.65
  5. Step 5: Solve for x
    x = 213,768,822.65/19,715.61
  6. Step 6: Final answer
    x = 10,842.62

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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.