Home / 15,763.74-21,751.50-10,103.58

Finding the Fourth Proportional to 15,763.74, 21,751.50 and 10,103.58

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Solution

The fourth proportional to 15,763.74, 21,751.50 and 10,103.58 is: 13,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.74 : 21,751.50 = 10,103.58 : x
  2. Step 2: Convert to fraction form
    15,763.74/21,751.50 = 10,103.58/x
  3. Step 3: Cross multiply
    15,763.74x = 21,751.50 × 10,103.58
  4. Step 4: Simplify right side
    15,763.74x = 219,768,020.37
  5. Step 5: Solve for x
    x = 219,768,020.37/15,763.74
  6. Step 6: Final answer
    x = 13,941.36

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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.