Home / 15,479.58-23,228.59-5,619.63

Finding the Fourth Proportional to 15,479.58, 23,228.59 and 5,619.63

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Solution

The fourth proportional to 15,479.58, 23,228.59 and 5,619.63 is: 8,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.58 : 23,228.59 = 5,619.63 : x
  2. Step 2: Convert to fraction form
    15,479.58/23,228.59 = 5,619.63/x
  3. Step 3: Cross multiply
    15,479.58x = 23,228.59 × 5,619.63
  4. Step 4: Simplify right side
    15,479.58x = 130,536,081.22
  5. Step 5: Solve for x
    x = 130,536,081.22/15,479.58
  6. Step 6: Final answer
    x = 8,432.79

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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.