Home / 13,419.01-20,116.18-4,647.79

Finding the Fourth Proportional to 13,419.01, 20,116.18 and 4,647.79

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Solution

The fourth proportional to 13,419.01, 20,116.18 and 4,647.79 is: 6,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.01 : 20,116.18 = 4,647.79 : x
  2. Step 2: Convert to fraction form
    13,419.01/20,116.18 = 4,647.79/x
  3. Step 3: Cross multiply
    13,419.01x = 20,116.18 × 4,647.79
  4. Step 4: Simplify right side
    13,419.01x = 93,495,780.24
  5. Step 5: Solve for x
    x = 93,495,780.24/13,419.01
  6. Step 6: Final answer
    x = 6,967.41

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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.