Home / 9,353.21-12,907.43-5,374.68

Finding the Fourth Proportional to 9,353.21, 12,907.43 and 5,374.68

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Solution

The fourth proportional to 9,353.21, 12,907.43 and 5,374.68 is: 7,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.21 : 12,907.43 = 5,374.68 : x
  2. Step 2: Convert to fraction form
    9,353.21/12,907.43 = 5,374.68/x
  3. Step 3: Cross multiply
    9,353.21x = 12,907.43 × 5,374.68
  4. Step 4: Simplify right side
    9,353.21x = 69,373,279.00
  5. Step 5: Solve for x
    x = 69,373,279.00/9,353.21
  6. Step 6: Final answer
    x = 7,417.06

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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.