Home / 10,643.66-15,966.58-4,075.36

Finding the Fourth Proportional to 10,643.66, 15,966.58 and 4,075.36

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Solution

The fourth proportional to 10,643.66, 15,966.58 and 4,075.36 is: 6,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.66 : 15,966.58 = 4,075.36 : x
  2. Step 2: Convert to fraction form
    10,643.66/15,966.58 = 4,075.36/x
  3. Step 3: Cross multiply
    10,643.66x = 15,966.58 × 4,075.36
  4. Step 4: Simplify right side
    10,643.66x = 65,069,561.47
  5. Step 5: Solve for x
    x = 65,069,561.47/10,643.66
  6. Step 6: Final answer
    x = 6,113.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.