Home / 14,661.41-21,991.64-8,402.00

Finding the Fourth Proportional to 14,661.41, 21,991.64 and 8,402.00

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Solution

The fourth proportional to 14,661.41, 21,991.64 and 8,402.00 is: 12,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.41 : 21,991.64 = 8,402.00 : x
  2. Step 2: Convert to fraction form
    14,661.41/21,991.64 = 8,402.00/x
  3. Step 3: Cross multiply
    14,661.41x = 21,991.64 × 8,402.00
  4. Step 4: Simplify right side
    14,661.41x = 184,773,607.31
  5. Step 5: Solve for x
    x = 184,773,607.31/14,661.41
  6. Step 6: Final answer
    x = 12,602.72

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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.