Home / 14,269.60-21,415.20-9,337.60

Finding the Fourth Proportional to 14,269.60, 21,415.20 and 9,337.60

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Solution

The fourth proportional to 14,269.60, 21,415.20 and 9,337.60 is: 14,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.60 : 21,415.20 = 9,337.60 : x
  2. Step 2: Convert to fraction form
    14,269.60/21,415.20 = 9,337.60/x
  3. Step 3: Cross multiply
    14,269.60x = 21,415.20 × 9,337.60
  4. Step 4: Simplify right side
    14,269.60x = 199,966,571.52
  5. Step 5: Solve for x
    x = 199,966,571.52/14,269.60
  6. Step 6: Final answer
    x = 14,013.47

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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.