Home / 9,360.12-14,040.18-6,429.54

Finding the Fourth Proportional to 9,360.12, 14,040.18 and 6,429.54

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Solution

The fourth proportional to 9,360.12, 14,040.18 and 6,429.54 is: 9,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.12 : 14,040.18 = 6,429.54 : x
  2. Step 2: Convert to fraction form
    9,360.12/14,040.18 = 6,429.54/x
  3. Step 3: Cross multiply
    9,360.12x = 14,040.18 × 6,429.54
  4. Step 4: Simplify right side
    9,360.12x = 90,271,898.92
  5. Step 5: Solve for x
    x = 90,271,898.92/9,360.12
  6. Step 6: Final answer
    x = 9,644.31

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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.