Home / 18,423.47-27,637.23-5,277.98

Finding the Fourth Proportional to 18,423.47, 27,637.23 and 5,277.98

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Solution

The fourth proportional to 18,423.47, 27,637.23 and 5,277.98 is: 7,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.47 : 27,637.23 = 5,277.98 : x
  2. Step 2: Convert to fraction form
    18,423.47/27,637.23 = 5,277.98/x
  3. Step 3: Cross multiply
    18,423.47x = 27,637.23 × 5,277.98
  4. Step 4: Simplify right side
    18,423.47x = 145,868,609.01
  5. Step 5: Solve for x
    x = 145,868,609.01/18,423.47
  6. Step 6: Final answer
    x = 7,917.54

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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.