Home / 18,856.47-28,284.03-4,816.38

Finding the Fourth Proportional to 18,856.47, 28,284.03 and 4,816.38

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Solution

The fourth proportional to 18,856.47, 28,284.03 and 4,816.38 is: 7,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.47 : 28,284.03 = 4,816.38 : x
  2. Step 2: Convert to fraction form
    18,856.47/28,284.03 = 4,816.38/x
  3. Step 3: Cross multiply
    18,856.47x = 28,284.03 × 4,816.38
  4. Step 4: Simplify right side
    18,856.47x = 136,226,636.41
  5. Step 5: Solve for x
    x = 136,226,636.41/18,856.47
  6. Step 6: Final answer
    x = 7,224.40

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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.