Home / 18,599.22-25,668.36-10,643.94

Finding the Fourth Proportional to 18,599.22, 25,668.36 and 10,643.94

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Solution

The fourth proportional to 18,599.22, 25,668.36 and 10,643.94 is: 14,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.22 : 25,668.36 = 10,643.94 : x
  2. Step 2: Convert to fraction form
    18,599.22/25,668.36 = 10,643.94/x
  3. Step 3: Cross multiply
    18,599.22x = 25,668.36 × 10,643.94
  4. Step 4: Simplify right side
    18,599.22x = 273,212,483.74
  5. Step 5: Solve for x
    x = 273,212,483.74/18,599.22
  6. Step 6: Final answer
    x = 14,689.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.