Home / 13,202.18-19,790.85-4,430.94

Finding the Fourth Proportional to 13,202.18, 19,790.85 and 4,430.94

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Solution

The fourth proportional to 13,202.18, 19,790.85 and 4,430.94 is: 6,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.18 : 19,790.85 = 4,430.94 : x
  2. Step 2: Convert to fraction form
    13,202.18/19,790.85 = 4,430.94/x
  3. Step 3: Cross multiply
    13,202.18x = 19,790.85 × 4,430.94
  4. Step 4: Simplify right side
    13,202.18x = 87,692,068.90
  5. Step 5: Solve for x
    x = 87,692,068.90/13,202.18
  6. Step 6: Final answer
    x = 6,642.24

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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.