Home / 10,497.40-14,479.76-6,245.51

Finding the Fourth Proportional to 10,497.40, 14,479.76 and 6,245.51

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Solution

The fourth proportional to 10,497.40, 14,479.76 and 6,245.51 is: 8,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.40 : 14,479.76 = 6,245.51 : x
  2. Step 2: Convert to fraction form
    10,497.40/14,479.76 = 6,245.51/x
  3. Step 3: Cross multiply
    10,497.40x = 14,479.76 × 6,245.51
  4. Step 4: Simplify right side
    10,497.40x = 90,433,429.09
  5. Step 5: Solve for x
    x = 90,433,429.09/10,497.40
  6. Step 6: Final answer
    x = 8,614.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.