Home / 18,838.28-26,000.52-10,880.04

Finding the Fourth Proportional to 18,838.28, 26,000.52 and 10,880.04

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Solution

The fourth proportional to 18,838.28, 26,000.52 and 10,880.04 is: 15,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.28 : 26,000.52 = 10,880.04 : x
  2. Step 2: Convert to fraction form
    18,838.28/26,000.52 = 10,880.04/x
  3. Step 3: Cross multiply
    18,838.28x = 26,000.52 × 10,880.04
  4. Step 4: Simplify right side
    18,838.28x = 282,886,697.62
  5. Step 5: Solve for x
    x = 282,886,697.62/18,838.28
  6. Step 6: Final answer
    x = 15,016.59

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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.