Home / 15,848.96-21,870.04-9,474.29

Finding the Fourth Proportional to 15,848.96, 21,870.04 and 9,474.29

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Solution

The fourth proportional to 15,848.96, 21,870.04 and 9,474.29 is: 13,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.96 : 21,870.04 = 9,474.29 : x
  2. Step 2: Convert to fraction form
    15,848.96/21,870.04 = 9,474.29/x
  3. Step 3: Cross multiply
    15,848.96x = 21,870.04 × 9,474.29
  4. Step 4: Simplify right side
    15,848.96x = 207,203,101.27
  5. Step 5: Solve for x
    x = 207,203,101.27/15,848.96
  6. Step 6: Final answer
    x = 13,073.61

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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.