Home / 9,018.93-13,527.20-2,779.15

Finding the Fourth Proportional to 9,018.93, 13,527.20 and 2,779.15

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Solution

The fourth proportional to 9,018.93, 13,527.20 and 2,779.15 is: 4,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.93 : 13,527.20 = 2,779.15 : x
  2. Step 2: Convert to fraction form
    9,018.93/13,527.20 = 2,779.15/x
  3. Step 3: Cross multiply
    9,018.93x = 13,527.20 × 2,779.15
  4. Step 4: Simplify right side
    9,018.93x = 37,594,117.88
  5. Step 5: Solve for x
    x = 37,594,117.88/9,018.93
  6. Step 6: Final answer
    x = 4,168.36

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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.