Home / 9,435.40-14,153.09-4,235.20

Finding the Fourth Proportional to 9,435.40, 14,153.09 and 4,235.20

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Solution

The fourth proportional to 9,435.40, 14,153.09 and 4,235.20 is: 6,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.40 : 14,153.09 = 4,235.20 : x
  2. Step 2: Convert to fraction form
    9,435.40/14,153.09 = 4,235.20/x
  3. Step 3: Cross multiply
    9,435.40x = 14,153.09 × 4,235.20
  4. Step 4: Simplify right side
    9,435.40x = 59,941,106.59
  5. Step 5: Solve for x
    x = 59,941,106.59/9,435.40
  6. Step 6: Final answer
    x = 6,352.79

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Double scale
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Similar ratio
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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.