Home / 15,848.72-21,867.54-9,477.38

Finding the Fourth Proportional to 15,848.72, 21,867.54 and 9,477.38

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Solution

The fourth proportional to 15,848.72, 21,867.54 and 9,477.38 is: 13,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.72 : 21,867.54 = 9,477.38 : x
  2. Step 2: Convert to fraction form
    15,848.72/21,867.54 = 9,477.38/x
  3. Step 3: Cross multiply
    15,848.72x = 21,867.54 × 9,477.38
  4. Step 4: Simplify right side
    15,848.72x = 207,246,986.25
  5. Step 5: Solve for x
    x = 207,246,986.25/15,848.72
  6. Step 6: Final answer
    x = 13,076.58

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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.