Home / 14,205.76-21,308.70-4,345.00

Finding the Fourth Proportional to 14,205.76, 21,308.70 and 4,345.00

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Solution

The fourth proportional to 14,205.76, 21,308.70 and 4,345.00 is: 6,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.76 : 21,308.70 = 4,345.00 : x
  2. Step 2: Convert to fraction form
    14,205.76/21,308.70 = 4,345.00/x
  3. Step 3: Cross multiply
    14,205.76x = 21,308.70 × 4,345.00
  4. Step 4: Simplify right side
    14,205.76x = 92,586,287.79
  5. Step 5: Solve for x
    x = 92,586,287.79/14,205.76
  6. Step 6: Final answer
    x = 6,517.52

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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.