Home / 10,811.16-16,216.65-7,307.10

Finding the Fourth Proportional to 10,811.16, 16,216.65 and 7,307.10

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Solution

The fourth proportional to 10,811.16, 16,216.65 and 7,307.10 is: 10,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.16 : 16,216.65 = 7,307.10 : x
  2. Step 2: Convert to fraction form
    10,811.16/16,216.65 = 7,307.10/x
  3. Step 3: Cross multiply
    10,811.16x = 16,216.65 × 7,307.10
  4. Step 4: Simplify right side
    10,811.16x = 118,496,683.22
  5. Step 5: Solve for x
    x = 118,496,683.22/10,811.16
  6. Step 6: Final answer
    x = 10,960.59

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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.