Home / 18,880.76-26,056.06-10,383.50

Finding the Fourth Proportional to 18,880.76, 26,056.06 and 10,383.50

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Solution

The fourth proportional to 18,880.76, 26,056.06 and 10,383.50 is: 14,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.76 : 26,056.06 = 10,383.50 : x
  2. Step 2: Convert to fraction form
    18,880.76/26,056.06 = 10,383.50/x
  3. Step 3: Cross multiply
    18,880.76x = 26,056.06 × 10,383.50
  4. Step 4: Simplify right side
    18,880.76x = 270,553,138.19
  5. Step 5: Solve for x
    x = 270,553,138.19/18,880.76
  6. Step 6: Final answer
    x = 14,329.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.