Home / 14,254.13-19,671.30-7,966.50

Finding the Fourth Proportional to 14,254.13, 19,671.30 and 7,966.50

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Solution

The fourth proportional to 14,254.13, 19,671.30 and 7,966.50 is: 10,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.13 : 19,671.30 = 7,966.50 : x
  2. Step 2: Convert to fraction form
    14,254.13/19,671.30 = 7,966.50/x
  3. Step 3: Cross multiply
    14,254.13x = 19,671.30 × 7,966.50
  4. Step 4: Simplify right side
    14,254.13x = 156,711,411.45
  5. Step 5: Solve for x
    x = 156,711,411.45/14,254.13
  6. Step 6: Final answer
    x = 10,994.11

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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.