Home / 18,856.39-28,284.65-6,376.52

Finding the Fourth Proportional to 18,856.39, 28,284.65 and 6,376.52

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Solution

The fourth proportional to 18,856.39, 28,284.65 and 6,376.52 is: 9,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.39 : 28,284.65 = 6,376.52 : x
  2. Step 2: Convert to fraction form
    18,856.39/28,284.65 = 6,376.52/x
  3. Step 3: Cross multiply
    18,856.39x = 28,284.65 × 6,376.52
  4. Step 4: Simplify right side
    18,856.39x = 180,357,636.42
  5. Step 5: Solve for x
    x = 180,357,636.42/18,856.39
  6. Step 6: Final answer
    x = 9,564.80

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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.