Home / 11,315.04-16,967.43-5,771.40

Finding the Fourth Proportional to 11,315.04, 16,967.43 and 5,771.40

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Solution

The fourth proportional to 11,315.04, 16,967.43 and 5,771.40 is: 8,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.04 : 16,967.43 = 5,771.40 : x
  2. Step 2: Convert to fraction form
    11,315.04/16,967.43 = 5,771.40/x
  3. Step 3: Cross multiply
    11,315.04x = 16,967.43 × 5,771.40
  4. Step 4: Simplify right side
    11,315.04x = 97,925,825.50
  5. Step 5: Solve for x
    x = 97,925,825.50/11,315.04
  6. Step 6: Final answer
    x = 8,654.48

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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.