Home / 9,101.71-13,646.99-4,172.86

Finding the Fourth Proportional to 9,101.71, 13,646.99 and 4,172.86

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Solution

The fourth proportional to 9,101.71, 13,646.99 and 4,172.86 is: 6,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.71 : 13,646.99 = 4,172.86 : x
  2. Step 2: Convert to fraction form
    9,101.71/13,646.99 = 4,172.86/x
  3. Step 3: Cross multiply
    9,101.71x = 13,646.99 × 4,172.86
  4. Step 4: Simplify right side
    9,101.71x = 56,946,955.01
  5. Step 5: Solve for x
    x = 56,946,955.01/9,101.71
  6. Step 6: Final answer
    x = 6,256.73

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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.