Home / 15,907.03-21,953.72-9,619.39

Finding the Fourth Proportional to 15,907.03, 21,953.72 and 9,619.39

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Solution

The fourth proportional to 15,907.03, 21,953.72 and 9,619.39 is: 13,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.03 : 21,953.72 = 9,619.39 : x
  2. Step 2: Convert to fraction form
    15,907.03/21,953.72 = 9,619.39/x
  3. Step 3: Cross multiply
    15,907.03x = 21,953.72 × 9,619.39
  4. Step 4: Simplify right side
    15,907.03x = 211,181,346.53
  5. Step 5: Solve for x
    x = 211,181,346.53/15,907.03
  6. Step 6: Final answer
    x = 13,275.98

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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.