Home / 10,740.48-16,117.20-4,171.20

Finding the Fourth Proportional to 10,740.48, 16,117.20 and 4,171.20

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Solution

The fourth proportional to 10,740.48, 16,117.20 and 4,171.20 is: 6,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.48 : 16,117.20 = 4,171.20 : x
  2. Step 2: Convert to fraction form
    10,740.48/16,117.20 = 4,171.20/x
  3. Step 3: Cross multiply
    10,740.48x = 16,117.20 × 4,171.20
  4. Step 4: Simplify right side
    10,740.48x = 67,228,064.64
  5. Step 5: Solve for x
    x = 67,228,064.64/10,740.48
  6. Step 6: Final answer
    x = 6,259.32

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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.