Home / 10,075.84-13,905.48-5,600.44

Finding the Fourth Proportional to 10,075.84, 13,905.48 and 5,600.44

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Solution

The fourth proportional to 10,075.84, 13,905.48 and 5,600.44 is: 7,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.84 : 13,905.48 = 5,600.44 : x
  2. Step 2: Convert to fraction form
    10,075.84/13,905.48 = 5,600.44/x
  3. Step 3: Cross multiply
    10,075.84x = 13,905.48 × 5,600.44
  4. Step 4: Simplify right side
    10,075.84x = 77,876,806.41
  5. Step 5: Solve for x
    x = 77,876,806.41/10,075.84
  6. Step 6: Final answer
    x = 7,729.06

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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.