Home / 14,967.04-20,661.60-8,677.12

Finding the Fourth Proportional to 14,967.04, 20,661.60 and 8,677.12

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Solution

The fourth proportional to 14,967.04, 20,661.60 and 8,677.12 is: 11,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.04 : 20,661.60 = 8,677.12 : x
  2. Step 2: Convert to fraction form
    14,967.04/20,661.60 = 8,677.12/x
  3. Step 3: Cross multiply
    14,967.04x = 20,661.60 × 8,677.12
  4. Step 4: Simplify right side
    14,967.04x = 179,283,182.59
  5. Step 5: Solve for x
    x = 179,283,182.59/14,967.04
  6. Step 6: Final answer
    x = 11,978.53

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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.