Home / 11,316.93-16,952.79-8,840.13

Finding the Fourth Proportional to 11,316.93, 16,952.79 and 8,840.13

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Solution

The fourth proportional to 11,316.93, 16,952.79 and 8,840.13 is: 13,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.93 : 16,952.79 = 8,840.13 : x
  2. Step 2: Convert to fraction form
    11,316.93/16,952.79 = 8,840.13/x
  3. Step 3: Cross multiply
    11,316.93x = 16,952.79 × 8,840.13
  4. Step 4: Simplify right side
    11,316.93x = 149,864,867.46
  5. Step 5: Solve for x
    x = 149,864,867.46/11,316.93
  6. Step 6: Final answer
    x = 13,242.54

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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.