Home / 9,319.99-13,979.95-2,746.23

Finding the Fourth Proportional to 9,319.99, 13,979.95 and 2,746.23

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Solution

The fourth proportional to 9,319.99, 13,979.95 and 2,746.23 is: 4,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.99 : 13,979.95 = 2,746.23 : x
  2. Step 2: Convert to fraction form
    9,319.99/13,979.95 = 2,746.23/x
  3. Step 3: Cross multiply
    9,319.99x = 13,979.95 × 2,746.23
  4. Step 4: Simplify right side
    9,319.99x = 38,392,158.09
  5. Step 5: Solve for x
    x = 38,392,158.09/9,319.99
  6. Step 6: Final answer
    x = 4,119.33

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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.