Home / 18,259.47-27,389.40-5,779.26

Finding the Fourth Proportional to 18,259.47, 27,389.40 and 5,779.26

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Solution

The fourth proportional to 18,259.47, 27,389.40 and 5,779.26 is: 8,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.47 : 27,389.40 = 5,779.26 : x
  2. Step 2: Convert to fraction form
    18,259.47/27,389.40 = 5,779.26/x
  3. Step 3: Cross multiply
    18,259.47x = 27,389.40 × 5,779.26
  4. Step 4: Simplify right side
    18,259.47x = 158,290,463.84
  5. Step 5: Solve for x
    x = 158,290,463.84/18,259.47
  6. Step 6: Final answer
    x = 8,668.95

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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.