Home / 10,186.26-15,281.69-4,638.12

Finding the Fourth Proportional to 10,186.26, 15,281.69 and 4,638.12

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Solution

The fourth proportional to 10,186.26, 15,281.69 and 4,638.12 is: 6,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.26 : 15,281.69 = 4,638.12 : x
  2. Step 2: Convert to fraction form
    10,186.26/15,281.69 = 4,638.12/x
  3. Step 3: Cross multiply
    10,186.26x = 15,281.69 × 4,638.12
  4. Step 4: Simplify right side
    10,186.26x = 70,878,312.02
  5. Step 5: Solve for x
    x = 70,878,312.02/10,186.26
  6. Step 6: Final answer
    x = 6,958.23

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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.