Home / 13,036.80-19,564.32-5,246.40

Finding the Fourth Proportional to 13,036.80, 19,564.32 and 5,246.40

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Solution

The fourth proportional to 13,036.80, 19,564.32 and 5,246.40 is: 7,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.80 : 19,564.32 = 5,246.40 : x
  2. Step 2: Convert to fraction form
    13,036.80/19,564.32 = 5,246.40/x
  3. Step 3: Cross multiply
    13,036.80x = 19,564.32 × 5,246.40
  4. Step 4: Simplify right side
    13,036.80x = 102,642,248.45
  5. Step 5: Solve for x
    x = 102,642,248.45/13,036.80
  6. Step 6: Final answer
    x = 7,873.27

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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.