Home / 13,159.91-19,739.58-4,275.23

Finding the Fourth Proportional to 13,159.91, 19,739.58 and 4,275.23

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Solution

The fourth proportional to 13,159.91, 19,739.58 and 4,275.23 is: 6,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.91 : 19,739.58 = 4,275.23 : x
  2. Step 2: Convert to fraction form
    13,159.91/19,739.58 = 4,275.23/x
  3. Step 3: Cross multiply
    13,159.91x = 19,739.58 × 4,275.23
  4. Step 4: Simplify right side
    13,159.91x = 84,391,145.91
  5. Step 5: Solve for x
    x = 84,391,145.91/13,159.91
  6. Step 6: Final answer
    x = 6,412.75

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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.