Home / 18,743.86-28,106.52-6,259.60

Finding the Fourth Proportional to 18,743.86, 28,106.52 and 6,259.60

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Solution

The fourth proportional to 18,743.86, 28,106.52 and 6,259.60 is: 9,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.86 : 28,106.52 = 6,259.60 : x
  2. Step 2: Convert to fraction form
    18,743.86/28,106.52 = 6,259.60/x
  3. Step 3: Cross multiply
    18,743.86x = 28,106.52 × 6,259.60
  4. Step 4: Simplify right side
    18,743.86x = 175,935,572.59
  5. Step 5: Solve for x
    x = 175,935,572.59/18,743.86
  6. Step 6: Final answer
    x = 9,386.30

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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.