Home / 10,995.18-16,493.55-4,421.40

Finding the Fourth Proportional to 10,995.18, 16,493.55 and 4,421.40

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Solution

The fourth proportional to 10,995.18, 16,493.55 and 4,421.40 is: 6,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.18 : 16,493.55 = 4,421.40 : x
  2. Step 2: Convert to fraction form
    10,995.18/16,493.55 = 4,421.40/x
  3. Step 3: Cross multiply
    10,995.18x = 16,493.55 × 4,421.40
  4. Step 4: Simplify right side
    10,995.18x = 72,924,581.97
  5. Step 5: Solve for x
    x = 72,924,581.97/10,995.18
  6. Step 6: Final answer
    x = 6,632.41

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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.