Home / 14,280.05-21,407.74-5,521.11

Finding the Fourth Proportional to 14,280.05, 21,407.74 and 5,521.11

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Solution

The fourth proportional to 14,280.05, 21,407.74 and 5,521.11 is: 8,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.05 : 21,407.74 = 5,521.11 : x
  2. Step 2: Convert to fraction form
    14,280.05/21,407.74 = 5,521.11/x
  3. Step 3: Cross multiply
    14,280.05x = 21,407.74 × 5,521.11
  4. Step 4: Simplify right side
    14,280.05x = 118,194,473.59
  5. Step 5: Solve for x
    x = 118,194,473.59/14,280.05
  6. Step 6: Final answer
    x = 8,276.90

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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.