Home / 9,409.58-14,119.84-4,215.46

Finding the Fourth Proportional to 9,409.58, 14,119.84 and 4,215.46

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Solution

The fourth proportional to 9,409.58, 14,119.84 and 4,215.46 is: 6,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.58 : 14,119.84 = 4,215.46 : x
  2. Step 2: Convert to fraction form
    9,409.58/14,119.84 = 4,215.46/x
  3. Step 3: Cross multiply
    9,409.58x = 14,119.84 × 4,215.46
  4. Step 4: Simplify right side
    9,409.58x = 59,521,590.70
  5. Step 5: Solve for x
    x = 59,521,590.70/9,409.58
  6. Step 6: Final answer
    x = 6,325.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.