Home / 10,641.12-15,962.76-4,072.83

Finding the Fourth Proportional to 10,641.12, 15,962.76 and 4,072.83

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Solution

The fourth proportional to 10,641.12, 15,962.76 and 4,072.83 is: 6,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.12 : 15,962.76 = 4,072.83 : x
  2. Step 2: Convert to fraction form
    10,641.12/15,962.76 = 4,072.83/x
  3. Step 3: Cross multiply
    10,641.12x = 15,962.76 × 4,072.83
  4. Step 4: Simplify right side
    10,641.12x = 65,013,607.81
  5. Step 5: Solve for x
    x = 65,013,607.81/10,641.12
  6. Step 6: Final answer
    x = 6,109.66

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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.