Home / 14,285.21-19,703.50-8,903.14

Finding the Fourth Proportional to 14,285.21, 19,703.50 and 8,903.14

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Solution

The fourth proportional to 14,285.21, 19,703.50 and 8,903.14 is: 12,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.21 : 19,703.50 = 8,903.14 : x
  2. Step 2: Convert to fraction form
    14,285.21/19,703.50 = 8,903.14/x
  3. Step 3: Cross multiply
    14,285.21x = 19,703.50 × 8,903.14
  4. Step 4: Simplify right side
    14,285.21x = 175,423,052.97
  5. Step 5: Solve for x
    x = 175,423,052.97/14,285.21
  6. Step 6: Final answer
    x = 12,280.05

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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.