Home / 15,426.60-23,143.54-6,661.60

Finding the Fourth Proportional to 15,426.60, 23,143.54 and 6,661.60

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Solution

The fourth proportional to 15,426.60, 23,143.54 and 6,661.60 is: 9,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.60 : 23,143.54 = 6,661.60 : x
  2. Step 2: Convert to fraction form
    15,426.60/23,143.54 = 6,661.60/x
  3. Step 3: Cross multiply
    15,426.60x = 23,143.54 × 6,661.60
  4. Step 4: Simplify right side
    15,426.60x = 154,173,006.06
  5. Step 5: Solve for x
    x = 154,173,006.06/15,426.60
  6. Step 6: Final answer
    x = 9,993.97

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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.