Home / 11,009.93-15,172.73-10,807.50

Finding the Fourth Proportional to 11,009.93, 15,172.73 and 10,807.50

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Solution

The fourth proportional to 11,009.93, 15,172.73 and 10,807.50 is: 14,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.93 : 15,172.73 = 10,807.50 : x
  2. Step 2: Convert to fraction form
    11,009.93/15,172.73 = 10,807.50/x
  3. Step 3: Cross multiply
    11,009.93x = 15,172.73 × 10,807.50
  4. Step 4: Simplify right side
    11,009.93x = 163,979,314.68
  5. Step 5: Solve for x
    x = 163,979,314.68/11,009.93
  6. Step 6: Final answer
    x = 14,893.76

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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.