Home / 14,285.40-19,709.28-9,253.47

Finding the Fourth Proportional to 14,285.40, 19,709.28 and 9,253.47

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Solution

The fourth proportional to 14,285.40, 19,709.28 and 9,253.47 is: 12,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.40 : 19,709.28 = 9,253.47 : x
  2. Step 2: Convert to fraction form
    14,285.40/19,709.28 = 9,253.47/x
  3. Step 3: Cross multiply
    14,285.40x = 19,709.28 × 9,253.47
  4. Step 4: Simplify right side
    14,285.40x = 182,379,305.11
  5. Step 5: Solve for x
    x = 182,379,305.11/14,285.40
  6. Step 6: Final answer
    x = 12,766.84

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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.