Home / 9,018.60-13,527.06-3,174.90

Finding the Fourth Proportional to 9,018.60, 13,527.06 and 3,174.90

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Solution

The fourth proportional to 9,018.60, 13,527.06 and 3,174.90 is: 4,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.60 : 13,527.06 = 3,174.90 : x
  2. Step 2: Convert to fraction form
    9,018.60/13,527.06 = 3,174.90/x
  3. Step 3: Cross multiply
    9,018.60x = 13,527.06 × 3,174.90
  4. Step 4: Simplify right side
    9,018.60x = 42,947,062.79
  5. Step 5: Solve for x
    x = 42,947,062.79/9,018.60
  6. Step 6: Final answer
    x = 4,762.05

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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.