Home / 10,394.19-15,591.33-6,720.03

Finding the Fourth Proportional to 10,394.19, 15,591.33 and 6,720.03

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Solution

The fourth proportional to 10,394.19, 15,591.33 and 6,720.03 is: 10,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.19 : 15,591.33 = 6,720.03 : x
  2. Step 2: Convert to fraction form
    10,394.19/15,591.33 = 6,720.03/x
  3. Step 3: Cross multiply
    10,394.19x = 15,591.33 × 6,720.03
  4. Step 4: Simplify right side
    10,394.19x = 104,774,205.34
  5. Step 5: Solve for x
    x = 104,774,205.34/10,394.19
  6. Step 6: Final answer
    x = 10,080.07

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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.