Home / 10,341.37-15,516.87-4,420.07

Finding the Fourth Proportional to 10,341.37, 15,516.87 and 4,420.07

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Solution

The fourth proportional to 10,341.37, 15,516.87 and 4,420.07 is: 6,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.37 : 15,516.87 = 4,420.07 : x
  2. Step 2: Convert to fraction form
    10,341.37/15,516.87 = 4,420.07/x
  3. Step 3: Cross multiply
    10,341.37x = 15,516.87 × 4,420.07
  4. Step 4: Simplify right side
    10,341.37x = 68,585,615.61
  5. Step 5: Solve for x
    x = 68,585,615.61/10,341.37
  6. Step 6: Final answer
    x = 6,632.16

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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.