Home / 13,483.22-18,606.93-7,515.26

Finding the Fourth Proportional to 13,483.22, 18,606.93 and 7,515.26

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Solution

The fourth proportional to 13,483.22, 18,606.93 and 7,515.26 is: 10,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.22 : 18,606.93 = 7,515.26 : x
  2. Step 2: Convert to fraction form
    13,483.22/18,606.93 = 7,515.26/x
  3. Step 3: Cross multiply
    13,483.22x = 18,606.93 × 7,515.26
  4. Step 4: Simplify right side
    13,483.22x = 139,835,969.97
  5. Step 5: Solve for x
    x = 139,835,969.97/13,483.22
  6. Step 6: Final answer
    x = 10,371.11

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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.