Home / 16,001.90-24,009.08-6,639.55

Finding the Fourth Proportional to 16,001.90, 24,009.08 and 6,639.55

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Solution

The fourth proportional to 16,001.90, 24,009.08 and 6,639.55 is: 9,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.90 : 24,009.08 = 6,639.55 : x
  2. Step 2: Convert to fraction form
    16,001.90/24,009.08 = 6,639.55/x
  3. Step 3: Cross multiply
    16,001.90x = 24,009.08 × 6,639.55
  4. Step 4: Simplify right side
    16,001.90x = 159,409,393.89
  5. Step 5: Solve for x
    x = 159,409,393.89/16,001.90
  6. Step 6: Final answer
    x = 9,961.90

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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.