Home / 9,837.40-14,765.70-4,912.60

Finding the Fourth Proportional to 9,837.40, 14,765.70 and 4,912.60

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Solution

The fourth proportional to 9,837.40, 14,765.70 and 4,912.60 is: 7,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837.40 : 14,765.70 = 4,912.60 : x
  2. Step 2: Convert to fraction form
    9,837.40/14,765.70 = 4,912.60/x
  3. Step 3: Cross multiply
    9,837.40x = 14,765.70 × 4,912.60
  4. Step 4: Simplify right side
    9,837.40x = 72,537,977.82
  5. Step 5: Solve for x
    x = 72,537,977.82/9,837.40
  6. Step 6: Final answer
    x = 7,373.69

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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.