Home / 13,055.52-19,582.65-4,290.51

Finding the Fourth Proportional to 13,055.52, 19,582.65 and 4,290.51

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Solution

The fourth proportional to 13,055.52, 19,582.65 and 4,290.51 is: 6,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.52 : 19,582.65 = 4,290.51 : x
  2. Step 2: Convert to fraction form
    13,055.52/19,582.65 = 4,290.51/x
  3. Step 3: Cross multiply
    13,055.52x = 19,582.65 × 4,290.51
  4. Step 4: Simplify right side
    13,055.52x = 84,019,555.65
  5. Step 5: Solve for x
    x = 84,019,555.65/13,055.52
  6. Step 6: Final answer
    x = 6,435.56

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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.