Home / 15,629.04-21,567.06-8,914.68

Finding the Fourth Proportional to 15,629.04, 21,567.06 and 8,914.68

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Solution

The fourth proportional to 15,629.04, 21,567.06 and 8,914.68 is: 12,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.04 : 21,567.06 = 8,914.68 : x
  2. Step 2: Convert to fraction form
    15,629.04/21,567.06 = 8,914.68/x
  3. Step 3: Cross multiply
    15,629.04x = 21,567.06 × 8,914.68
  4. Step 4: Simplify right side
    15,629.04x = 192,263,438.44
  5. Step 5: Solve for x
    x = 192,263,438.44/15,629.04
  6. Step 6: Final answer
    x = 12,301.68

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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.