Home / 13,868.03-19,126.69-8,830.64

Finding the Fourth Proportional to 13,868.03, 19,126.69 and 8,830.64

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Solution

The fourth proportional to 13,868.03, 19,126.69 and 8,830.64 is: 12,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.03 : 19,126.69 = 8,830.64 : x
  2. Step 2: Convert to fraction form
    13,868.03/19,126.69 = 8,830.64/x
  3. Step 3: Cross multiply
    13,868.03x = 19,126.69 × 8,830.64
  4. Step 4: Simplify right side
    13,868.03x = 168,900,939.52
  5. Step 5: Solve for x
    x = 168,900,939.52/13,868.03
  6. Step 6: Final answer
    x = 12,179.16

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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.