Home / 10,125.41-15,186.83-4,281.26

Finding the Fourth Proportional to 10,125.41, 15,186.83 and 4,281.26

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Solution

The fourth proportional to 10,125.41, 15,186.83 and 4,281.26 is: 6,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.41 : 15,186.83 = 4,281.26 : x
  2. Step 2: Convert to fraction form
    10,125.41/15,186.83 = 4,281.26/x
  3. Step 3: Cross multiply
    10,125.41x = 15,186.83 × 4,281.26
  4. Step 4: Simplify right side
    10,125.41x = 65,018,670.47
  5. Step 5: Solve for x
    x = 65,018,670.47/10,125.41
  6. Step 6: Final answer
    x = 6,421.34

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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.