Home / 14,101.02-21,153.42-4,239

Finding the Fourth Proportional to 14,101.02, 21,153.42 and 4,239

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Solution

The fourth proportional to 14,101.02, 21,153.42 and 4,239 is: 6,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.02 : 21,153.42 = 4,239 : x
  2. Step 2: Convert to fraction form
    14,101.02/21,153.42 = 4,239/x
  3. Step 3: Cross multiply
    14,101.02x = 21,153.42 × 4,239
  4. Step 4: Simplify right side
    14,101.02x = 89,669,347.38
  5. Step 5: Solve for x
    x = 89,669,347.38/14,101.02
  6. Step 6: Final answer
    x = 6,359.07

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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.