Home / 12,623.42-17,420.36-7,590.53

Finding the Fourth Proportional to 12,623.42, 17,420.36 and 7,590.53

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Solution

The fourth proportional to 12,623.42, 17,420.36 and 7,590.53 is: 10,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.42 : 17,420.36 = 7,590.53 : x
  2. Step 2: Convert to fraction form
    12,623.42/17,420.36 = 7,590.53/x
  3. Step 3: Cross multiply
    12,623.42x = 17,420.36 × 7,590.53
  4. Step 4: Simplify right side
    12,623.42x = 132,229,765.19
  5. Step 5: Solve for x
    x = 132,229,765.19/12,623.42
  6. Step 6: Final answer
    x = 10,474.96

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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.