Home / 13,206.52-19,805.59-4,319.80

Finding the Fourth Proportional to 13,206.52, 19,805.59 and 4,319.80

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Solution

The fourth proportional to 13,206.52, 19,805.59 and 4,319.80 is: 6,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.52 : 19,805.59 = 4,319.80 : x
  2. Step 2: Convert to fraction form
    13,206.52/19,805.59 = 4,319.80/x
  3. Step 3: Cross multiply
    13,206.52x = 19,805.59 × 4,319.80
  4. Step 4: Simplify right side
    13,206.52x = 85,556,088.65
  5. Step 5: Solve for x
    x = 85,556,088.65/13,206.52
  6. Step 6: Final answer
    x = 6,478.32

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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.