Home / 15,914.07-21,941.08-12,283.65

Finding the Fourth Proportional to 15,914.07, 21,941.08 and 12,283.65

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Solution

The fourth proportional to 15,914.07, 21,941.08 and 12,283.65 is: 16,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.07 : 21,941.08 = 12,283.65 : x
  2. Step 2: Convert to fraction form
    15,914.07/21,941.08 = 12,283.65/x
  3. Step 3: Cross multiply
    15,914.07x = 21,941.08 × 12,283.65
  4. Step 4: Simplify right side
    15,914.07x = 269,516,516.63
  5. Step 5: Solve for x
    x = 269,516,516.63/15,914.07
  6. Step 6: Final answer
    x = 16,935.74

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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.