Home / 10,416.51-15,630.84-4,179.51

Finding the Fourth Proportional to 10,416.51, 15,630.84 and 4,179.51

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Solution

The fourth proportional to 10,416.51, 15,630.84 and 4,179.51 is: 6,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.51 : 15,630.84 = 4,179.51 : x
  2. Step 2: Convert to fraction form
    10,416.51/15,630.84 = 4,179.51/x
  3. Step 3: Cross multiply
    10,416.51x = 15,630.84 × 4,179.51
  4. Step 4: Simplify right side
    10,416.51x = 65,329,252.09
  5. Step 5: Solve for x
    x = 65,329,252.09/10,416.51
  6. Step 6: Final answer
    x = 6,271.70

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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.