Home / 21,065.04-29,068.96-11,633.36

Finding the Fourth Proportional to 21,065.04, 29,068.96 and 11,633.36

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Solution

The fourth proportional to 21,065.04, 29,068.96 and 11,633.36 is: 16,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065.04 : 29,068.96 = 11,633.36 : x
  2. Step 2: Convert to fraction form
    21,065.04/29,068.96 = 11,633.36/x
  3. Step 3: Cross multiply
    21,065.04x = 29,068.96 × 11,633.36
  4. Step 4: Simplify right side
    21,065.04x = 338,169,676.51
  5. Step 5: Solve for x
    x = 338,169,676.51/21,065.04
  6. Step 6: Final answer
    x = 16,053.60

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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.