Home / 14,165.10-21,225.45-8,959.98

Finding the Fourth Proportional to 14,165.10, 21,225.45 and 8,959.98

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Solution

The fourth proportional to 14,165.10, 21,225.45 and 8,959.98 is: 13,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.10 : 21,225.45 = 8,959.98 : x
  2. Step 2: Convert to fraction form
    14,165.10/21,225.45 = 8,959.98/x
  3. Step 3: Cross multiply
    14,165.10x = 21,225.45 × 8,959.98
  4. Step 4: Simplify right side
    14,165.10x = 190,179,607.49
  5. Step 5: Solve for x
    x = 190,179,607.49/14,165.10
  6. Step 6: Final answer
    x = 13,425.93

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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.