Home / 10,284.54-15,406.26-4,730.28

Finding the Fourth Proportional to 10,284.54, 15,406.26 and 4,730.28

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Solution

The fourth proportional to 10,284.54, 15,406.26 and 4,730.28 is: 7,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.54 : 15,406.26 = 4,730.28 : x
  2. Step 2: Convert to fraction form
    10,284.54/15,406.26 = 4,730.28/x
  3. Step 3: Cross multiply
    10,284.54x = 15,406.26 × 4,730.28
  4. Step 4: Simplify right side
    10,284.54x = 72,875,923.55
  5. Step 5: Solve for x
    x = 72,875,923.55/10,284.54
  6. Step 6: Final answer
    x = 7,085.97

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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.