Home / 14,239.63-19,650.78-7,866.04

Finding the Fourth Proportional to 14,239.63, 19,650.78 and 7,866.04

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Solution

The fourth proportional to 14,239.63, 19,650.78 and 7,866.04 is: 10,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.63 : 19,650.78 = 7,866.04 : x
  2. Step 2: Convert to fraction form
    14,239.63/19,650.78 = 7,866.04/x
  3. Step 3: Cross multiply
    14,239.63x = 19,650.78 × 7,866.04
  4. Step 4: Simplify right side
    14,239.63x = 154,573,821.51
  5. Step 5: Solve for x
    x = 154,573,821.51/14,239.63
  6. Step 6: Final answer
    x = 10,855.19

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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.