Home / 14,101.71-21,130.32-5,204.80

Finding the Fourth Proportional to 14,101.71, 21,130.32 and 5,204.80

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Solution

The fourth proportional to 14,101.71, 21,130.32 and 5,204.80 is: 7,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.71 : 21,130.32 = 5,204.80 : x
  2. Step 2: Convert to fraction form
    14,101.71/21,130.32 = 5,204.80/x
  3. Step 3: Cross multiply
    14,101.71x = 21,130.32 × 5,204.80
  4. Step 4: Simplify right side
    14,101.71x = 109,979,026.95
  5. Step 5: Solve for x
    x = 109,979,026.95/14,101.71
  6. Step 6: Final answer
    x = 7,798.98

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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.