Home / 11,798.51-16,281.95-6,493.21

Finding the Fourth Proportional to 11,798.51, 16,281.95 and 6,493.21

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Solution

The fourth proportional to 11,798.51, 16,281.95 and 6,493.21 is: 8,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.51 : 16,281.95 = 6,493.21 : x
  2. Step 2: Convert to fraction form
    11,798.51/16,281.95 = 6,493.21/x
  3. Step 3: Cross multiply
    11,798.51x = 16,281.95 × 6,493.21
  4. Step 4: Simplify right side
    11,798.51x = 105,722,047.39
  5. Step 5: Solve for x
    x = 105,722,047.39/11,798.51
  6. Step 6: Final answer
    x = 8,960.63

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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.