Home / 11,926.52-16,457.80-7,213.40

Finding the Fourth Proportional to 11,926.52, 16,457.80 and 7,213.40

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Solution

The fourth proportional to 11,926.52, 16,457.80 and 7,213.40 is: 9,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.52 : 16,457.80 = 7,213.40 : x
  2. Step 2: Convert to fraction form
    11,926.52/16,457.80 = 7,213.40/x
  3. Step 3: Cross multiply
    11,926.52x = 16,457.80 × 7,213.40
  4. Step 4: Simplify right side
    11,926.52x = 118,716,694.52
  5. Step 5: Solve for x
    x = 118,716,694.52/11,926.52
  6. Step 6: Final answer
    x = 9,954.01

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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.