Home / 13,820.17-20,730.26-5,050.30

Finding the Fourth Proportional to 13,820.17, 20,730.26 and 5,050.30

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Solution

The fourth proportional to 13,820.17, 20,730.26 and 5,050.30 is: 7,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.17 : 20,730.26 = 5,050.30 : x
  2. Step 2: Convert to fraction form
    13,820.17/20,730.26 = 5,050.30/x
  3. Step 3: Cross multiply
    13,820.17x = 20,730.26 × 5,050.30
  4. Step 4: Simplify right side
    13,820.17x = 104,693,955.00
  5. Step 5: Solve for x
    x = 104,693,955.00/13,820.17
  6. Step 6: Final answer
    x = 7,575.45

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1.5x scale

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.