Home / 13,953.28-19,260.58-9,239.08

Finding the Fourth Proportional to 13,953.28, 19,260.58 and 9,239.08

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Solution

The fourth proportional to 13,953.28, 19,260.58 and 9,239.08 is: 12,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.28 : 19,260.58 = 9,239.08 : x
  2. Step 2: Convert to fraction form
    13,953.28/19,260.58 = 9,239.08/x
  3. Step 3: Cross multiply
    13,953.28x = 19,260.58 × 9,239.08
  4. Step 4: Simplify right side
    13,953.28x = 177,950,039.47
  5. Step 5: Solve for x
    x = 177,950,039.47/13,953.28
  6. Step 6: Final answer
    x = 12,753.28

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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.