Home / 19,995.39-29,982.60-5,953.50

Finding the Fourth Proportional to 19,995.39, 29,982.60 and 5,953.50

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Solution

The fourth proportional to 19,995.39, 29,982.60 and 5,953.50 is: 8,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.39 : 29,982.60 = 5,953.50 : x
  2. Step 2: Convert to fraction form
    19,995.39/29,982.60 = 5,953.50/x
  3. Step 3: Cross multiply
    19,995.39x = 29,982.60 × 5,953.50
  4. Step 4: Simplify right side
    19,995.39x = 178,501,409.10
  5. Step 5: Solve for x
    x = 178,501,409.10/19,995.39
  6. Step 6: Final answer
    x = 8,927.13

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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.