Home / 14,389.51-21,582.70-3,860.59

Finding the Fourth Proportional to 14,389.51, 21,582.70 and 3,860.59

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Solution

The fourth proportional to 14,389.51, 21,582.70 and 3,860.59 is: 5,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.51 : 21,582.70 = 3,860.59 : x
  2. Step 2: Convert to fraction form
    14,389.51/21,582.70 = 3,860.59/x
  3. Step 3: Cross multiply
    14,389.51x = 21,582.70 × 3,860.59
  4. Step 4: Simplify right side
    14,389.51x = 83,321,955.79
  5. Step 5: Solve for x
    x = 83,321,955.79/14,389.51
  6. Step 6: Final answer
    x = 5,790.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.