Home / 20,030.40-27,642.36-11,646.96

Finding the Fourth Proportional to 20,030.40, 27,642.36 and 11,646.96

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Solution

The fourth proportional to 20,030.40, 27,642.36 and 11,646.96 is: 16,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.40 : 27,642.36 = 11,646.96 : x
  2. Step 2: Convert to fraction form
    20,030.40/27,642.36 = 11,646.96/x
  3. Step 3: Cross multiply
    20,030.40x = 27,642.36 × 11,646.96
  4. Step 4: Simplify right side
    20,030.40x = 321,949,461.23
  5. Step 5: Solve for x
    x = 321,949,461.23/20,030.40
  6. Step 6: Final answer
    x = 16,073.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.