Home / 10,938.01-16,412.37-6,776.91

Finding the Fourth Proportional to 10,938.01, 16,412.37 and 6,776.91

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Solution

The fourth proportional to 10,938.01, 16,412.37 and 6,776.91 is: 10,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.01 : 16,412.37 = 6,776.91 : x
  2. Step 2: Convert to fraction form
    10,938.01/16,412.37 = 6,776.91/x
  3. Step 3: Cross multiply
    10,938.01x = 16,412.37 × 6,776.91
  4. Step 4: Simplify right side
    10,938.01x = 111,225,154.38
  5. Step 5: Solve for x
    x = 111,225,154.38/10,938.01
  6. Step 6: Final answer
    x = 10,168.68

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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.