Home / 21,452.06-29,605.49-13,501.10

Finding the Fourth Proportional to 21,452.06, 29,605.49 and 13,501.10

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Solution

The fourth proportional to 21,452.06, 29,605.49 and 13,501.10 is: 18,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.06 : 29,605.49 = 13,501.10 : x
  2. Step 2: Convert to fraction form
    21,452.06/29,605.49 = 13,501.10/x
  3. Step 3: Cross multiply
    21,452.06x = 29,605.49 × 13,501.10
  4. Step 4: Simplify right side
    21,452.06x = 399,706,465.51
  5. Step 5: Solve for x
    x = 399,706,465.51/21,452.06
  6. Step 6: Final answer
    x = 18,632.55

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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.