Home / 13,905.10-19,195.25-8,875.98

Finding the Fourth Proportional to 13,905.10, 19,195.25 and 8,875.98

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Solution

The fourth proportional to 13,905.10, 19,195.25 and 8,875.98 is: 12,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.10 : 19,195.25 = 8,875.98 : x
  2. Step 2: Convert to fraction form
    13,905.10/19,195.25 = 8,875.98/x
  3. Step 3: Cross multiply
    13,905.10x = 19,195.25 × 8,875.98
  4. Step 4: Simplify right side
    13,905.10x = 170,376,655.10
  5. Step 5: Solve for x
    x = 170,376,655.10/13,905.10
  6. Step 6: Final answer
    x = 12,252.82

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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.