Home / 15,806.04-21,805.68-11,093.40

Finding the Fourth Proportional to 15,806.04, 21,805.68 and 11,093.40

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Solution

The fourth proportional to 15,806.04, 21,805.68 and 11,093.40 is: 15,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.04 : 21,805.68 = 11,093.40 : x
  2. Step 2: Convert to fraction form
    15,806.04/21,805.68 = 11,093.40/x
  3. Step 3: Cross multiply
    15,806.04x = 21,805.68 × 11,093.40
  4. Step 4: Simplify right side
    15,806.04x = 241,899,130.51
  5. Step 5: Solve for x
    x = 241,899,130.51/15,806.04
  6. Step 6: Final answer
    x = 15,304.22

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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.