Home / 14,315.89-21,477.27-5,991.28

Finding the Fourth Proportional to 14,315.89, 21,477.27 and 5,991.28

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Solution

The fourth proportional to 14,315.89, 21,477.27 and 5,991.28 is: 8,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.89 : 21,477.27 = 5,991.28 : x
  2. Step 2: Convert to fraction form
    14,315.89/21,477.27 = 5,991.28/x
  3. Step 3: Cross multiply
    14,315.89x = 21,477.27 × 5,991.28
  4. Step 4: Simplify right side
    14,315.89x = 128,676,338.21
  5. Step 5: Solve for x
    x = 128,676,338.21/14,315.89
  6. Step 6: Final answer
    x = 8,988.36

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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.