Home / 18,701.47-28,057.47-5,554.36

Finding the Fourth Proportional to 18,701.47, 28,057.47 and 5,554.36

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Solution

The fourth proportional to 18,701.47, 28,057.47 and 5,554.36 is: 8,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.47 : 28,057.47 = 5,554.36 : x
  2. Step 2: Convert to fraction form
    18,701.47/28,057.47 = 5,554.36/x
  3. Step 3: Cross multiply
    18,701.47x = 28,057.47 × 5,554.36
  4. Step 4: Simplify right side
    18,701.47x = 155,841,289.07
  5. Step 5: Solve for x
    x = 155,841,289.07/18,701.47
  6. Step 6: Final answer
    x = 8,333.10

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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.