Home / 19,785.65-29,678.85-7,299.24

Finding the Fourth Proportional to 19,785.65, 29,678.85 and 7,299.24

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Solution

The fourth proportional to 19,785.65, 29,678.85 and 7,299.24 is: 10,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.65 : 29,678.85 = 7,299.24 : x
  2. Step 2: Convert to fraction form
    19,785.65/29,678.85 = 7,299.24/x
  3. Step 3: Cross multiply
    19,785.65x = 29,678.85 × 7,299.24
  4. Step 4: Simplify right side
    19,785.65x = 216,633,084.19
  5. Step 5: Solve for x
    x = 216,633,084.19/19,785.65
  6. Step 6: Final answer
    x = 10,949.00

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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.