Home / 10,984.20-15,158.64-6,205.18

Finding the Fourth Proportional to 10,984.20, 15,158.64 and 6,205.18

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Solution

The fourth proportional to 10,984.20, 15,158.64 and 6,205.18 is: 8,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.20 : 15,158.64 = 6,205.18 : x
  2. Step 2: Convert to fraction form
    10,984.20/15,158.64 = 6,205.18/x
  3. Step 3: Cross multiply
    10,984.20x = 15,158.64 × 6,205.18
  4. Step 4: Simplify right side
    10,984.20x = 94,062,089.76
  5. Step 5: Solve for x
    x = 94,062,089.76/10,984.20
  6. Step 6: Final answer
    x = 8,563.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.