Home / 14,245.47-21,313.98-8,602.37

Finding the Fourth Proportional to 14,245.47, 21,313.98 and 8,602.37

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Solution

The fourth proportional to 14,245.47, 21,313.98 and 8,602.37 is: 12,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.47 : 21,313.98 = 8,602.37 : x
  2. Step 2: Convert to fraction form
    14,245.47/21,313.98 = 8,602.37/x
  3. Step 3: Cross multiply
    14,245.47x = 21,313.98 × 8,602.37
  4. Step 4: Simplify right side
    14,245.47x = 183,350,688.85
  5. Step 5: Solve for x
    x = 183,350,688.85/14,245.47
  6. Step 6: Final answer
    x = 12,870.80

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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.