Home / 9,705.65-14,558.48-4,155.39

Finding the Fourth Proportional to 9,705.65, 14,558.48 and 4,155.39

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Solution

The fourth proportional to 9,705.65, 14,558.48 and 4,155.39 is: 6,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.65 : 14,558.48 = 4,155.39 : x
  2. Step 2: Convert to fraction form
    9,705.65/14,558.48 = 4,155.39/x
  3. Step 3: Cross multiply
    9,705.65x = 14,558.48 × 4,155.39
  4. Step 4: Simplify right side
    9,705.65x = 60,496,162.21
  5. Step 5: Solve for x
    x = 60,496,162.21/9,705.65
  6. Step 6: Final answer
    x = 6,233.09

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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.