Home / 18,924.81-28,365.35-11,030.01

Finding the Fourth Proportional to 18,924.81, 28,365.35 and 11,030.01

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Solution

The fourth proportional to 18,924.81, 28,365.35 and 11,030.01 is: 16,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.81 : 28,365.35 = 11,030.01 : x
  2. Step 2: Convert to fraction form
    18,924.81/28,365.35 = 11,030.01/x
  3. Step 3: Cross multiply
    18,924.81x = 28,365.35 × 11,030.01
  4. Step 4: Simplify right side
    18,924.81x = 312,870,039.00
  5. Step 5: Solve for x
    x = 312,870,039.00/18,924.81
  6. Step 6: Final answer
    x = 16,532.27

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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.