Home / 14,079.55-21,124.02-4,720.50

Finding the Fourth Proportional to 14,079.55, 21,124.02 and 4,720.50

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Solution

The fourth proportional to 14,079.55, 21,124.02 and 4,720.50 is: 7,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.55 : 21,124.02 = 4,720.50 : x
  2. Step 2: Convert to fraction form
    14,079.55/21,124.02 = 4,720.50/x
  3. Step 3: Cross multiply
    14,079.55x = 21,124.02 × 4,720.50
  4. Step 4: Simplify right side
    14,079.55x = 99,715,936.41
  5. Step 5: Solve for x
    x = 99,715,936.41/14,079.55
  6. Step 6: Final answer
    x = 7,082.32

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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.