Home / 11,130.68-16,681.41-4,549.34

Finding the Fourth Proportional to 11,130.68, 16,681.41 and 4,549.34

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Solution

The fourth proportional to 11,130.68, 16,681.41 and 4,549.34 is: 6,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.68 : 16,681.41 = 4,549.34 : x
  2. Step 2: Convert to fraction form
    11,130.68/16,681.41 = 4,549.34/x
  3. Step 3: Cross multiply
    11,130.68x = 16,681.41 × 4,549.34
  4. Step 4: Simplify right side
    11,130.68x = 75,889,322.36
  5. Step 5: Solve for x
    x = 75,889,322.36/11,130.68
  6. Step 6: Final answer
    x = 6,818.03

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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.