Home / 14,021.55-19,349.46-7,648.16

Finding the Fourth Proportional to 14,021.55, 19,349.46 and 7,648.16

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Solution

The fourth proportional to 14,021.55, 19,349.46 and 7,648.16 is: 10,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.55 : 19,349.46 = 7,648.16 : x
  2. Step 2: Convert to fraction form
    14,021.55/19,349.46 = 7,648.16/x
  3. Step 3: Cross multiply
    14,021.55x = 19,349.46 × 7,648.16
  4. Step 4: Simplify right side
    14,021.55x = 147,987,669.25
  5. Step 5: Solve for x
    x = 147,987,669.25/14,021.55
  6. Step 6: Final answer
    x = 10,554.30

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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.