Home / 13,113.17-18,098.52-7,735.28

Finding the Fourth Proportional to 13,113.17, 18,098.52 and 7,735.28

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Solution

The fourth proportional to 13,113.17, 18,098.52 and 7,735.28 is: 10,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.17 : 18,098.52 = 7,735.28 : x
  2. Step 2: Convert to fraction form
    13,113.17/18,098.52 = 7,735.28/x
  3. Step 3: Cross multiply
    13,113.17x = 18,098.52 × 7,735.28
  4. Step 4: Simplify right side
    13,113.17x = 139,997,119.79
  5. Step 5: Solve for x
    x = 139,997,119.79/13,113.17
  6. Step 6: Final answer
    x = 10,676.07

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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.