Home / 15,674.98-23,495.93-5,142.25

Finding the Fourth Proportional to 15,674.98, 23,495.93 and 5,142.25

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Solution

The fourth proportional to 15,674.98, 23,495.93 and 5,142.25 is: 7,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.98 : 23,495.93 = 5,142.25 : x
  2. Step 2: Convert to fraction form
    15,674.98/23,495.93 = 5,142.25/x
  3. Step 3: Cross multiply
    15,674.98x = 23,495.93 × 5,142.25
  4. Step 4: Simplify right side
    15,674.98x = 120,821,861.59
  5. Step 5: Solve for x
    x = 120,821,861.59/15,674.98
  6. Step 6: Final answer
    x = 7,707.94

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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.