Home / 13,095.88-18,072.70-7,127.93

Finding the Fourth Proportional to 13,095.88, 18,072.70 and 7,127.93

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Solution

The fourth proportional to 13,095.88, 18,072.70 and 7,127.93 is: 9,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.88 : 18,072.70 = 7,127.93 : x
  2. Step 2: Convert to fraction form
    13,095.88/18,072.70 = 7,127.93/x
  3. Step 3: Cross multiply
    13,095.88x = 18,072.70 × 7,127.93
  4. Step 4: Simplify right side
    13,095.88x = 128,820,967.87
  5. Step 5: Solve for x
    x = 128,820,967.87/13,095.88
  6. Step 6: Final answer
    x = 9,836.76

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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.