Home / 15,535.91-21,290.16-14,041.19

Finding the Fourth Proportional to 15,535.91, 21,290.16 and 14,041.19

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Solution

The fourth proportional to 15,535.91, 21,290.16 and 14,041.19 is: 19,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.91 : 21,290.16 = 14,041.19 : x
  2. Step 2: Convert to fraction form
    15,535.91/21,290.16 = 14,041.19/x
  3. Step 3: Cross multiply
    15,535.91x = 21,290.16 × 14,041.19
  4. Step 4: Simplify right side
    15,535.91x = 298,939,287.57
  5. Step 5: Solve for x
    x = 298,939,287.57/15,535.91
  6. Step 6: Final answer
    x = 19,241.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.