Home / 19,775.56-29,663.72-9,242.69

Finding the Fourth Proportional to 19,775.56, 29,663.72 and 9,242.69

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Solution

The fourth proportional to 19,775.56, 29,663.72 and 9,242.69 is: 13,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.56 : 29,663.72 = 9,242.69 : x
  2. Step 2: Convert to fraction form
    19,775.56/29,663.72 = 9,242.69/x
  3. Step 3: Cross multiply
    19,775.56x = 29,663.72 × 9,242.69
  4. Step 4: Simplify right side
    19,775.56x = 274,172,568.21
  5. Step 5: Solve for x
    x = 274,172,568.21/19,775.56
  6. Step 6: Final answer
    x = 13,864.21

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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.