Home / 14,001.50-21,001.07-4,638.45

Finding the Fourth Proportional to 14,001.50, 21,001.07 and 4,638.45

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Solution

The fourth proportional to 14,001.50, 21,001.07 and 4,638.45 is: 6,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.50 : 21,001.07 = 4,638.45 : x
  2. Step 2: Convert to fraction form
    14,001.50/21,001.07 = 4,638.45/x
  3. Step 3: Cross multiply
    14,001.50x = 21,001.07 × 4,638.45
  4. Step 4: Simplify right side
    14,001.50x = 97,412,413.14
  5. Step 5: Solve for x
    x = 97,412,413.14/14,001.50
  6. Step 6: Final answer
    x = 6,957.28

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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.