Home / 9,899.67-14,849.77-2,879.40

Finding the Fourth Proportional to 9,899.67, 14,849.77 and 2,879.40

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Solution

The fourth proportional to 9,899.67, 14,849.77 and 2,879.40 is: 4,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.67 : 14,849.77 = 2,879.40 : x
  2. Step 2: Convert to fraction form
    9,899.67/14,849.77 = 2,879.40/x
  3. Step 3: Cross multiply
    9,899.67x = 14,849.77 × 2,879.40
  4. Step 4: Simplify right side
    9,899.67x = 42,758,427.74
  5. Step 5: Solve for x
    x = 42,758,427.74/9,899.67
  6. Step 6: Final answer
    x = 4,319.18

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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.