Home / 14,728.73-20,327.00-8,357.40

Finding the Fourth Proportional to 14,728.73, 20,327.00 and 8,357.40

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Solution

The fourth proportional to 14,728.73, 20,327.00 and 8,357.40 is: 11,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.73 : 20,327.00 = 8,357.40 : x
  2. Step 2: Convert to fraction form
    14,728.73/20,327.00 = 8,357.40/x
  3. Step 3: Cross multiply
    14,728.73x = 20,327.00 × 8,357.40
  4. Step 4: Simplify right side
    14,728.73x = 169,880,828.01
  5. Step 5: Solve for x
    x = 169,880,828.01/14,728.73
  6. Step 6: Final answer
    x = 11,533.98

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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.