Home / 11,914.16-16,426.40-8,515.26

Finding the Fourth Proportional to 11,914.16, 16,426.40 and 8,515.26

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Solution

The fourth proportional to 11,914.16, 16,426.40 and 8,515.26 is: 11,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.16 : 16,426.40 = 8,515.26 : x
  2. Step 2: Convert to fraction form
    11,914.16/16,426.40 = 8,515.26/x
  3. Step 3: Cross multiply
    11,914.16x = 16,426.40 × 8,515.26
  4. Step 4: Simplify right side
    11,914.16x = 139,875,024.29
  5. Step 5: Solve for x
    x = 139,875,024.29/11,914.16
  6. Step 6: Final answer
    x = 11,740.24

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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.