Home / 14,184.99-21,280.29-4,189.91

Finding the Fourth Proportional to 14,184.99, 21,280.29 and 4,189.91

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Solution

The fourth proportional to 14,184.99, 21,280.29 and 4,189.91 is: 6,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.99 : 21,280.29 = 4,189.91 : x
  2. Step 2: Convert to fraction form
    14,184.99/21,280.29 = 4,189.91/x
  3. Step 3: Cross multiply
    14,184.99x = 21,280.29 × 4,189.91
  4. Step 4: Simplify right side
    14,184.99x = 89,162,393.47
  5. Step 5: Solve for x
    x = 89,162,393.47/14,184.99
  6. Step 6: Final answer
    x = 6,285.69

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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.