Home / 11,214.39-15,475.53-6,435.13

Finding the Fourth Proportional to 11,214.39, 15,475.53 and 6,435.13

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Solution

The fourth proportional to 11,214.39, 15,475.53 and 6,435.13 is: 8,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.39 : 15,475.53 = 6,435.13 : x
  2. Step 2: Convert to fraction form
    11,214.39/15,475.53 = 6,435.13/x
  3. Step 3: Cross multiply
    11,214.39x = 15,475.53 × 6,435.13
  4. Step 4: Simplify right side
    11,214.39x = 99,587,047.37
  5. Step 5: Solve for x
    x = 99,587,047.37/11,214.39
  6. Step 6: Final answer
    x = 8,880.29

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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.