Home / 18,946.62-26,144.91-10,561.50

Finding the Fourth Proportional to 18,946.62, 26,144.91 and 10,561.50

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Solution

The fourth proportional to 18,946.62, 26,144.91 and 10,561.50 is: 14,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.62 : 26,144.91 = 10,561.50 : x
  2. Step 2: Convert to fraction form
    18,946.62/26,144.91 = 10,561.50/x
  3. Step 3: Cross multiply
    18,946.62x = 26,144.91 × 10,561.50
  4. Step 4: Simplify right side
    18,946.62x = 276,129,466.97
  5. Step 5: Solve for x
    x = 276,129,466.97/18,946.62
  6. Step 6: Final answer
    x = 14,574.08

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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.