Home / 14,497.09-20,005.40-8,209.46

Finding the Fourth Proportional to 14,497.09, 20,005.40 and 8,209.46

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Solution

The fourth proportional to 14,497.09, 20,005.40 and 8,209.46 is: 11,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.09 : 20,005.40 = 8,209.46 : x
  2. Step 2: Convert to fraction form
    14,497.09/20,005.40 = 8,209.46/x
  3. Step 3: Cross multiply
    14,497.09x = 20,005.40 × 8,209.46
  4. Step 4: Simplify right side
    14,497.09x = 164,233,531.08
  5. Step 5: Solve for x
    x = 164,233,531.08/14,497.09
  6. Step 6: Final answer
    x = 11,328.72

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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.