Home / 13,465.09-18,579.60-7,496.62

Finding the Fourth Proportional to 13,465.09, 18,579.60 and 7,496.62

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Solution

The fourth proportional to 13,465.09, 18,579.60 and 7,496.62 is: 10,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.09 : 18,579.60 = 7,496.62 : x
  2. Step 2: Convert to fraction form
    13,465.09/18,579.60 = 7,496.62/x
  3. Step 3: Cross multiply
    13,465.09x = 18,579.60 × 7,496.62
  4. Step 4: Simplify right side
    13,465.09x = 139,284,200.95
  5. Step 5: Solve for x
    x = 139,284,200.95/13,465.09
  6. Step 6: Final answer
    x = 10,344.10

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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.