Home / 18,518.88-27,779.85-6,038.67

Finding the Fourth Proportional to 18,518.88, 27,779.85 and 6,038.67

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Solution

The fourth proportional to 18,518.88, 27,779.85 and 6,038.67 is: 9,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.88 : 27,779.85 = 6,038.67 : x
  2. Step 2: Convert to fraction form
    18,518.88/27,779.85 = 6,038.67/x
  3. Step 3: Cross multiply
    18,518.88x = 27,779.85 × 6,038.67
  4. Step 4: Simplify right side
    18,518.88x = 167,753,346.80
  5. Step 5: Solve for x
    x = 167,753,346.80/18,518.88
  6. Step 6: Final answer
    x = 9,058.50

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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.