Home / 14,001.70-21,003.13-6,512.28

Finding the Fourth Proportional to 14,001.70, 21,003.13 and 6,512.28

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Solution

The fourth proportional to 14,001.70, 21,003.13 and 6,512.28 is: 9,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.70 : 21,003.13 = 6,512.28 : x
  2. Step 2: Convert to fraction form
    14,001.70/21,003.13 = 6,512.28/x
  3. Step 3: Cross multiply
    14,001.70x = 21,003.13 × 6,512.28
  4. Step 4: Simplify right side
    14,001.70x = 136,778,332.22
  5. Step 5: Solve for x
    x = 136,778,332.22/14,001.70
  6. Step 6: Final answer
    x = 9,768.70

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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.