Home / 13,810.47-19,051.92-9,335.79

Finding the Fourth Proportional to 13,810.47, 19,051.92 and 9,335.79

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Solution

The fourth proportional to 13,810.47, 19,051.92 and 9,335.79 is: 12,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.47 : 19,051.92 = 9,335.79 : x
  2. Step 2: Convert to fraction form
    13,810.47/19,051.92 = 9,335.79/x
  3. Step 3: Cross multiply
    13,810.47x = 19,051.92 × 9,335.79
  4. Step 4: Simplify right side
    13,810.47x = 177,864,724.22
  5. Step 5: Solve for x
    x = 177,864,724.22/13,810.47
  6. Step 6: Final answer
    x = 12,878.98

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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.