Home / 10,911.51-16,352.69-5,055.21

Finding the Fourth Proportional to 10,911.51, 16,352.69 and 5,055.21

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Solution

The fourth proportional to 10,911.51, 16,352.69 and 5,055.21 is: 7,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.51 : 16,352.69 = 5,055.21 : x
  2. Step 2: Convert to fraction form
    10,911.51/16,352.69 = 5,055.21/x
  3. Step 3: Cross multiply
    10,911.51x = 16,352.69 × 5,055.21
  4. Step 4: Simplify right side
    10,911.51x = 82,666,256.74
  5. Step 5: Solve for x
    x = 82,666,256.74/10,911.51
  6. Step 6: Final answer
    x = 7,576.06

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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.