Home / 9,309.30-13,961.52-4,376.40

Finding the Fourth Proportional to 9,309.30, 13,961.52 and 4,376.40

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Solution

The fourth proportional to 9,309.30, 13,961.52 and 4,376.40 is: 6,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.30 : 13,961.52 = 4,376.40 : x
  2. Step 2: Convert to fraction form
    9,309.30/13,961.52 = 4,376.40/x
  3. Step 3: Cross multiply
    9,309.30x = 13,961.52 × 4,376.40
  4. Step 4: Simplify right side
    9,309.30x = 61,101,196.13
  5. Step 5: Solve for x
    x = 61,101,196.13/9,309.30
  6. Step 6: Final answer
    x = 6,563.46

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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.