Home / 14,172.98-19,558.17-7,799.19

Finding the Fourth Proportional to 14,172.98, 19,558.17 and 7,799.19

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Solution

The fourth proportional to 14,172.98, 19,558.17 and 7,799.19 is: 10,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.98 : 19,558.17 = 7,799.19 : x
  2. Step 2: Convert to fraction form
    14,172.98/19,558.17 = 7,799.19/x
  3. Step 3: Cross multiply
    14,172.98x = 19,558.17 × 7,799.19
  4. Step 4: Simplify right side
    14,172.98x = 152,537,883.88
  5. Step 5: Solve for x
    x = 152,537,883.88/14,172.98
  6. Step 6: Final answer
    x = 10,762.58

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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.