Home / 9,629.40-14,446.80-4,085.40

Finding the Fourth Proportional to 9,629.40, 14,446.80 and 4,085.40

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Solution

The fourth proportional to 9,629.40, 14,446.80 and 4,085.40 is: 6,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.40 : 14,446.80 = 4,085.40 : x
  2. Step 2: Convert to fraction form
    9,629.40/14,446.80 = 4,085.40/x
  3. Step 3: Cross multiply
    9,629.40x = 14,446.80 × 4,085.40
  4. Step 4: Simplify right side
    9,629.40x = 59,020,956.72
  5. Step 5: Solve for x
    x = 59,020,956.72/9,629.40
  6. Step 6: Final answer
    x = 6,129.25

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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.