Home / 11,312.26-16,959.58-5,386.10

Finding the Fourth Proportional to 11,312.26, 16,959.58 and 5,386.10

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Solution

The fourth proportional to 11,312.26, 16,959.58 and 5,386.10 is: 8,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.26 : 16,959.58 = 5,386.10 : x
  2. Step 2: Convert to fraction form
    11,312.26/16,959.58 = 5,386.10/x
  3. Step 3: Cross multiply
    11,312.26x = 16,959.58 × 5,386.10
  4. Step 4: Simplify right side
    11,312.26x = 91,345,895.57
  5. Step 5: Solve for x
    x = 91,345,895.57/11,312.26
  6. Step 6: Final answer
    x = 8,074.95

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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.