Home / 9,038.30-13,539.87-6,662.07

Finding the Fourth Proportional to 9,038.30, 13,539.87 and 6,662.07

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Solution

The fourth proportional to 9,038.30, 13,539.87 and 6,662.07 is: 9,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.30 : 13,539.87 = 6,662.07 : x
  2. Step 2: Convert to fraction form
    9,038.30/13,539.87 = 6,662.07/x
  3. Step 3: Cross multiply
    9,038.30x = 13,539.87 × 6,662.07
  4. Step 4: Simplify right side
    9,038.30x = 90,203,561.73
  5. Step 5: Solve for x
    x = 90,203,561.73/9,038.30
  6. Step 6: Final answer
    x = 9,980.15

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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.