Home / 13,523.18-18,661.93-7,473.25

Finding the Fourth Proportional to 13,523.18, 18,661.93 and 7,473.25

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Solution

The fourth proportional to 13,523.18, 18,661.93 and 7,473.25 is: 10,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.18 : 18,661.93 = 7,473.25 : x
  2. Step 2: Convert to fraction form
    13,523.18/18,661.93 = 7,473.25/x
  3. Step 3: Cross multiply
    13,523.18x = 18,661.93 × 7,473.25
  4. Step 4: Simplify right side
    13,523.18x = 139,465,175.06
  5. Step 5: Solve for x
    x = 139,465,175.06/13,523.18
  6. Step 6: Final answer
    x = 10,313.05

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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.