Home / 10,127.64-13,968.60-7,438.02

Finding the Fourth Proportional to 10,127.64, 13,968.60 and 7,438.02

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Solution

The fourth proportional to 10,127.64, 13,968.60 and 7,438.02 is: 10,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.64 : 13,968.60 = 7,438.02 : x
  2. Step 2: Convert to fraction form
    10,127.64/13,968.60 = 7,438.02/x
  3. Step 3: Cross multiply
    10,127.64x = 13,968.60 × 7,438.02
  4. Step 4: Simplify right side
    10,127.64x = 103,898,726.17
  5. Step 5: Solve for x
    x = 103,898,726.17/10,127.64
  6. Step 6: Final answer
    x = 10,258.93

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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.