Home / 10,006.98-15,019.08-4,087.02

Finding the Fourth Proportional to 10,006.98, 15,019.08 and 4,087.02

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Solution

The fourth proportional to 10,006.98, 15,019.08 and 4,087.02 is: 6,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.98 : 15,019.08 = 4,087.02 : x
  2. Step 2: Convert to fraction form
    10,006.98/15,019.08 = 4,087.02/x
  3. Step 3: Cross multiply
    10,006.98x = 15,019.08 × 4,087.02
  4. Step 4: Simplify right side
    10,006.98x = 61,383,280.34
  5. Step 5: Solve for x
    x = 61,383,280.34/10,006.98
  6. Step 6: Final answer
    x = 6,134.05

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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.