Home / 19,685.74-29,533.60-6,538.18

Finding the Fourth Proportional to 19,685.74, 29,533.60 and 6,538.18

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Solution

The fourth proportional to 19,685.74, 29,533.60 and 6,538.18 is: 9,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.74 : 29,533.60 = 6,538.18 : x
  2. Step 2: Convert to fraction form
    19,685.74/29,533.60 = 6,538.18/x
  3. Step 3: Cross multiply
    19,685.74x = 29,533.60 × 6,538.18
  4. Step 4: Simplify right side
    19,685.74x = 193,095,992.85
  5. Step 5: Solve for x
    x = 193,095,992.85/19,685.74
  6. Step 6: Final answer
    x = 9,808.93

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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.