Home / 10,126.87-13,994.37-7,303.51

Finding the Fourth Proportional to 10,126.87, 13,994.37 and 7,303.51

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Solution

The fourth proportional to 10,126.87, 13,994.37 and 7,303.51 is: 10,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.87 : 13,994.37 = 7,303.51 : x
  2. Step 2: Convert to fraction form
    10,126.87/13,994.37 = 7,303.51/x
  3. Step 3: Cross multiply
    10,126.87x = 13,994.37 × 7,303.51
  4. Step 4: Simplify right side
    10,126.87x = 102,208,021.24
  5. Step 5: Solve for x
    x = 102,208,021.24/10,126.87
  6. Step 6: Final answer
    x = 10,092.76

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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.