Home / 11,971.09-17,955.95-4,572.20

Finding the Fourth Proportional to 11,971.09, 17,955.95 and 4,572.20

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Solution

The fourth proportional to 11,971.09, 17,955.95 and 4,572.20 is: 6,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.09 : 17,955.95 = 4,572.20 : x
  2. Step 2: Convert to fraction form
    11,971.09/17,955.95 = 4,572.20/x
  3. Step 3: Cross multiply
    11,971.09x = 17,955.95 × 4,572.20
  4. Step 4: Simplify right side
    11,971.09x = 82,098,154.19
  5. Step 5: Solve for x
    x = 82,098,154.19/11,971.09
  6. Step 6: Final answer
    x = 6,858.03

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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.