Home / 13,469.86-18,588.36-7,501.60

Finding the Fourth Proportional to 13,469.86, 18,588.36 and 7,501.60

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Solution

The fourth proportional to 13,469.86, 18,588.36 and 7,501.60 is: 10,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.86 : 18,588.36 = 7,501.60 : x
  2. Step 2: Convert to fraction form
    13,469.86/18,588.36 = 7,501.60/x
  3. Step 3: Cross multiply
    13,469.86x = 18,588.36 × 7,501.60
  4. Step 4: Simplify right side
    13,469.86x = 139,442,441.38
  5. Step 5: Solve for x
    x = 139,442,441.38/13,469.86
  6. Step 6: Final answer
    x = 10,352.18

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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.