Home / 21,037.12-31,533.50-6,993.37

Finding the Fourth Proportional to 21,037.12, 31,533.50 and 6,993.37

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Solution

The fourth proportional to 21,037.12, 31,533.50 and 6,993.37 is: 10,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.12 : 31,533.50 = 6,993.37 : x
  2. Step 2: Convert to fraction form
    21,037.12/31,533.50 = 6,993.37/x
  3. Step 3: Cross multiply
    21,037.12x = 31,533.50 × 6,993.37
  4. Step 4: Simplify right side
    21,037.12x = 220,525,489.80
  5. Step 5: Solve for x
    x = 220,525,489.80/21,037.12
  6. Step 6: Final answer
    x = 10,482.69

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1.5x scale

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.