Home / 13,291.03-18,341.99-7,626.25

Finding the Fourth Proportional to 13,291.03, 18,341.99 and 7,626.25

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Solution

The fourth proportional to 13,291.03, 18,341.99 and 7,626.25 is: 10,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.03 : 18,341.99 = 7,626.25 : x
  2. Step 2: Convert to fraction form
    13,291.03/18,341.99 = 7,626.25/x
  3. Step 3: Cross multiply
    13,291.03x = 18,341.99 × 7,626.25
  4. Step 4: Simplify right side
    13,291.03x = 139,880,563.11
  5. Step 5: Solve for x
    x = 139,880,563.11/13,291.03
  6. Step 6: Final answer
    x = 10,524.43

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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.