Home / 12,820.59-19,235.43-5,802.12

Finding the Fourth Proportional to 12,820.59, 19,235.43 and 5,802.12

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Solution

The fourth proportional to 12,820.59, 19,235.43 and 5,802.12 is: 8,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820.59 : 19,235.43 = 5,802.12 : x
  2. Step 2: Convert to fraction form
    12,820.59/19,235.43 = 5,802.12/x
  3. Step 3: Cross multiply
    12,820.59x = 19,235.43 × 5,802.12
  4. Step 4: Simplify right side
    12,820.59x = 111,606,273.11
  5. Step 5: Solve for x
    x = 111,606,273.11/12,820.59
  6. Step 6: Final answer
    x = 8,705.24

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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.