Home / 13,907.65-19,187.67-9,657.58

Finding the Fourth Proportional to 13,907.65, 19,187.67 and 9,657.58

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Solution

The fourth proportional to 13,907.65, 19,187.67 and 9,657.58 is: 13,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.65 : 19,187.67 = 9,657.58 : x
  2. Step 2: Convert to fraction form
    13,907.65/19,187.67 = 9,657.58/x
  3. Step 3: Cross multiply
    13,907.65x = 19,187.67 × 9,657.58
  4. Step 4: Simplify right side
    13,907.65x = 185,306,458.04
  5. Step 5: Solve for x
    x = 185,306,458.04/13,907.65
  6. Step 6: Final answer
    x = 13,324.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.