Home / 20,698.15-31,037.88-5,903.55

Finding the Fourth Proportional to 20,698.15, 31,037.88 and 5,903.55

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Solution

The fourth proportional to 20,698.15, 31,037.88 and 5,903.55 is: 8,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.15 : 31,037.88 = 5,903.55 : x
  2. Step 2: Convert to fraction form
    20,698.15/31,037.88 = 5,903.55/x
  3. Step 3: Cross multiply
    20,698.15x = 31,037.88 × 5,903.55
  4. Step 4: Simplify right side
    20,698.15x = 183,233,768.83
  5. Step 5: Solve for x
    x = 183,233,768.83/20,698.15
  6. Step 6: Final answer
    x = 8,852.66

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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.