Home / 13,000.89-19,503.36-4,233.77

Finding the Fourth Proportional to 13,000.89, 19,503.36 and 4,233.77

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Solution

The fourth proportional to 13,000.89, 19,503.36 and 4,233.77 is: 6,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.89 : 19,503.36 = 4,233.77 : x
  2. Step 2: Convert to fraction form
    13,000.89/19,503.36 = 4,233.77/x
  3. Step 3: Cross multiply
    13,000.89x = 19,503.36 × 4,233.77
  4. Step 4: Simplify right side
    13,000.89x = 82,572,642.95
  5. Step 5: Solve for x
    x = 82,572,642.95/13,000.89
  6. Step 6: Final answer
    x = 6,351.31

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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.