Home / 14,263.60-21,406.20-9,331.60

Finding the Fourth Proportional to 14,263.60, 21,406.20 and 9,331.60

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Solution

The fourth proportional to 14,263.60, 21,406.20 and 9,331.60 is: 14,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.60 : 21,406.20 = 9,331.60 : x
  2. Step 2: Convert to fraction form
    14,263.60/21,406.20 = 9,331.60/x
  3. Step 3: Cross multiply
    14,263.60x = 21,406.20 × 9,331.60
  4. Step 4: Simplify right side
    14,263.60x = 199,754,095.92
  5. Step 5: Solve for x
    x = 199,754,095.92/14,263.60
  6. Step 6: Final answer
    x = 14,004.47

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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.