Home / 10,911.21-16,373.98-5,984.30

Finding the Fourth Proportional to 10,911.21, 16,373.98 and 5,984.30

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Solution

The fourth proportional to 10,911.21, 16,373.98 and 5,984.30 is: 8,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.21 : 16,373.98 = 5,984.30 : x
  2. Step 2: Convert to fraction form
    10,911.21/16,373.98 = 5,984.30/x
  3. Step 3: Cross multiply
    10,911.21x = 16,373.98 × 5,984.30
  4. Step 4: Simplify right side
    10,911.21x = 97,986,864.41
  5. Step 5: Solve for x
    x = 97,986,864.41/10,911.21
  6. Step 6: Final answer
    x = 8,980.39

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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.