Home / 13,095.90-18,072.59-7,127.60

Finding the Fourth Proportional to 13,095.90, 18,072.59 and 7,127.60

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Solution

The fourth proportional to 13,095.90, 18,072.59 and 7,127.60 is: 9,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.90 : 18,072.59 = 7,127.60 : x
  2. Step 2: Convert to fraction form
    13,095.90/18,072.59 = 7,127.60/x
  3. Step 3: Cross multiply
    13,095.90x = 18,072.59 × 7,127.60
  4. Step 4: Simplify right side
    13,095.90x = 128,814,066.48
  5. Step 5: Solve for x
    x = 128,814,066.48/13,095.90
  6. Step 6: Final answer
    x = 9,836.21

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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.