Home / 20,444.93-30,667.39-6,405.07

Finding the Fourth Proportional to 20,444.93, 30,667.39 and 6,405.07

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Solution

The fourth proportional to 20,444.93, 30,667.39 and 6,405.07 is: 9,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.93 : 30,667.39 = 6,405.07 : x
  2. Step 2: Convert to fraction form
    20,444.93/30,667.39 = 6,405.07/x
  3. Step 3: Cross multiply
    20,444.93x = 30,667.39 × 6,405.07
  4. Step 4: Simplify right side
    20,444.93x = 196,426,779.67
  5. Step 5: Solve for x
    x = 196,426,779.67/20,444.93
  6. Step 6: Final answer
    x = 9,607.60

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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.