Home / 10,619.58-14,655.12-5,903.88

Finding the Fourth Proportional to 10,619.58, 14,655.12 and 5,903.88

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Solution

The fourth proportional to 10,619.58, 14,655.12 and 5,903.88 is: 8,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.58 : 14,655.12 = 5,903.88 : x
  2. Step 2: Convert to fraction form
    10,619.58/14,655.12 = 5,903.88/x
  3. Step 3: Cross multiply
    10,619.58x = 14,655.12 × 5,903.88
  4. Step 4: Simplify right side
    10,619.58x = 86,522,069.87
  5. Step 5: Solve for x
    x = 86,522,069.87/10,619.58
  6. Step 6: Final answer
    x = 8,147.41

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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.