Home / 14,038.28-21,052.88-4,675.80

Finding the Fourth Proportional to 14,038.28, 21,052.88 and 4,675.80

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Solution

The fourth proportional to 14,038.28, 21,052.88 and 4,675.80 is: 7,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.28 : 21,052.88 = 4,675.80 : x
  2. Step 2: Convert to fraction form
    14,038.28/21,052.88 = 4,675.80/x
  3. Step 3: Cross multiply
    14,038.28x = 21,052.88 × 4,675.80
  4. Step 4: Simplify right side
    14,038.28x = 98,438,951.04
  5. Step 5: Solve for x
    x = 98,438,951.04/14,038.28
  6. Step 6: Final answer
    x = 7,012.18

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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.