Home / 10,946.13-16,421.63-3,154.97

Finding the Fourth Proportional to 10,946.13, 16,421.63 and 3,154.97

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Solution

The fourth proportional to 10,946.13, 16,421.63 and 3,154.97 is: 4,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.13 : 16,421.63 = 3,154.97 : x
  2. Step 2: Convert to fraction form
    10,946.13/16,421.63 = 3,154.97/x
  3. Step 3: Cross multiply
    10,946.13x = 16,421.63 × 3,154.97
  4. Step 4: Simplify right side
    10,946.13x = 51,809,652.12
  5. Step 5: Solve for x
    x = 51,809,652.12/10,946.13
  6. Step 6: Final answer
    x = 4,733.15

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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.