Home / 9,435.41-13,018.49-6,289.49

Finding the Fourth Proportional to 9,435.41, 13,018.49 and 6,289.49

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Solution

The fourth proportional to 9,435.41, 13,018.49 and 6,289.49 is: 8,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.41 : 13,018.49 = 6,289.49 : x
  2. Step 2: Convert to fraction form
    9,435.41/13,018.49 = 6,289.49/x
  3. Step 3: Cross multiply
    9,435.41x = 13,018.49 × 6,289.49
  4. Step 4: Simplify right side
    9,435.41x = 81,879,631.22
  5. Step 5: Solve for x
    x = 81,879,631.22/9,435.41
  6. Step 6: Final answer
    x = 8,677.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.