Home / 13,750.36-20,628.14-4,742.08

Finding the Fourth Proportional to 13,750.36, 20,628.14 and 4,742.08

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Solution

The fourth proportional to 13,750.36, 20,628.14 and 4,742.08 is: 7,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.36 : 20,628.14 = 4,742.08 : x
  2. Step 2: Convert to fraction form
    13,750.36/20,628.14 = 4,742.08/x
  3. Step 3: Cross multiply
    13,750.36x = 20,628.14 × 4,742.08
  4. Step 4: Simplify right side
    13,750.36x = 97,820,214.85
  5. Step 5: Solve for x
    x = 97,820,214.85/13,750.36
  6. Step 6: Final answer
    x = 7,114.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.