Home / 14,125.20-21,210.08-13,101.90

Finding the Fourth Proportional to 14,125.20, 21,210.08 and 13,101.90

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Solution

The fourth proportional to 14,125.20, 21,210.08 and 13,101.90 is: 19,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.20 : 21,210.08 = 13,101.90 : x
  2. Step 2: Convert to fraction form
    14,125.20/21,210.08 = 13,101.90/x
  3. Step 3: Cross multiply
    14,125.20x = 21,210.08 × 13,101.90
  4. Step 4: Simplify right side
    14,125.20x = 277,892,281.64
  5. Step 5: Solve for x
    x = 277,892,281.64/14,125.20
  6. Step 6: Final answer
    x = 19,673.51

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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.