Home / 11,145.29-16,619.70-11,045.35

Finding the Fourth Proportional to 11,145.29, 16,619.70 and 11,045.35

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Solution

The fourth proportional to 11,145.29, 16,619.70 and 11,045.35 is: 16,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.29 : 16,619.70 = 11,045.35 : x
  2. Step 2: Convert to fraction form
    11,145.29/16,619.70 = 11,045.35/x
  3. Step 3: Cross multiply
    11,145.29x = 16,619.70 × 11,045.35
  4. Step 4: Simplify right side
    11,145.29x = 183,570,403.40
  5. Step 5: Solve for x
    x = 183,570,403.40/11,145.29
  6. Step 6: Final answer
    x = 16,470.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.