Home / 9,863.60-14,795.40-7,271.60

Finding the Fourth Proportional to 9,863.60, 14,795.40 and 7,271.60

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Solution

The fourth proportional to 9,863.60, 14,795.40 and 7,271.60 is: 10,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.60 : 14,795.40 = 7,271.60 : x
  2. Step 2: Convert to fraction form
    9,863.60/14,795.40 = 7,271.60/x
  3. Step 3: Cross multiply
    9,863.60x = 14,795.40 × 7,271.60
  4. Step 4: Simplify right side
    9,863.60x = 107,586,230.64
  5. Step 5: Solve for x
    x = 107,586,230.64/9,863.60
  6. Step 6: Final answer
    x = 10,907.40

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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.