Home / 13,570.90-18,727.74-7,602.62

Finding the Fourth Proportional to 13,570.90, 18,727.74 and 7,602.62

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Solution

The fourth proportional to 13,570.90, 18,727.74 and 7,602.62 is: 10,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.90 : 18,727.74 = 7,602.62 : x
  2. Step 2: Convert to fraction form
    13,570.90/18,727.74 = 7,602.62/x
  3. Step 3: Cross multiply
    13,570.90x = 18,727.74 × 7,602.62
  4. Step 4: Simplify right side
    13,570.90x = 142,379,890.68
  5. Step 5: Solve for x
    x = 142,379,890.68/13,570.90
  6. Step 6: Final answer
    x = 10,491.56

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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.