Home / 12,699.70-17,526.67-7,396.18

Finding the Fourth Proportional to 12,699.70, 17,526.67 and 7,396.18

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Solution

The fourth proportional to 12,699.70, 17,526.67 and 7,396.18 is: 10,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.70 : 17,526.67 = 7,396.18 : x
  2. Step 2: Convert to fraction form
    12,699.70/17,526.67 = 7,396.18/x
  3. Step 3: Cross multiply
    12,699.70x = 17,526.67 × 7,396.18
  4. Step 4: Simplify right side
    12,699.70x = 129,630,406.12
  5. Step 5: Solve for x
    x = 129,630,406.12/12,699.70
  6. Step 6: Final answer
    x = 10,207.36

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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.