Home / 18,890.03-28,333.90-7,041.50

Finding the Fourth Proportional to 18,890.03, 28,333.90 and 7,041.50

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Solution

The fourth proportional to 18,890.03, 28,333.90 and 7,041.50 is: 10,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.03 : 28,333.90 = 7,041.50 : x
  2. Step 2: Convert to fraction form
    18,890.03/28,333.90 = 7,041.50/x
  3. Step 3: Cross multiply
    18,890.03x = 28,333.90 × 7,041.50
  4. Step 4: Simplify right side
    18,890.03x = 199,513,130.23
  5. Step 5: Solve for x
    x = 199,513,130.23/18,890.03
  6. Step 6: Final answer
    x = 10,561.82

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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.