Home / 15,374.37-21,216.69-9,322.59

Finding the Fourth Proportional to 15,374.37, 21,216.69 and 9,322.59

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Solution

The fourth proportional to 15,374.37, 21,216.69 and 9,322.59 is: 12,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.37 : 21,216.69 = 9,322.59 : x
  2. Step 2: Convert to fraction form
    15,374.37/21,216.69 = 9,322.59/x
  3. Step 3: Cross multiply
    15,374.37x = 21,216.69 × 9,322.59
  4. Step 4: Simplify right side
    15,374.37x = 197,794,502.03
  5. Step 5: Solve for x
    x = 197,794,502.03/15,374.37
  6. Step 6: Final answer
    x = 12,865.21

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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.