Home / 14,314.89-21,475.77-5,990.28

Finding the Fourth Proportional to 14,314.89, 21,475.77 and 5,990.28

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Solution

The fourth proportional to 14,314.89, 21,475.77 and 5,990.28 is: 8,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.89 : 21,475.77 = 5,990.28 : x
  2. Step 2: Convert to fraction form
    14,314.89/21,475.77 = 5,990.28/x
  3. Step 3: Cross multiply
    14,314.89x = 21,475.77 × 5,990.28
  4. Step 4: Simplify right side
    14,314.89x = 128,645,875.52
  5. Step 5: Solve for x
    x = 128,645,875.52/14,314.89
  6. Step 6: Final answer
    x = 8,986.86

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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.