Home / 9,828.78-13,563.60-5,352.60

Finding the Fourth Proportional to 9,828.78, 13,563.60 and 5,352.60

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Solution

The fourth proportional to 9,828.78, 13,563.60 and 5,352.60 is: 7,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.78 : 13,563.60 = 5,352.60 : x
  2. Step 2: Convert to fraction form
    9,828.78/13,563.60 = 5,352.60/x
  3. Step 3: Cross multiply
    9,828.78x = 13,563.60 × 5,352.60
  4. Step 4: Simplify right side
    9,828.78x = 72,600,525.36
  5. Step 5: Solve for x
    x = 72,600,525.36/9,828.78
  6. Step 6: Final answer
    x = 7,386.52

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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.