Home / 12,937.39-17,844.30-7,628.45

Finding the Fourth Proportional to 12,937.39, 17,844.30 and 7,628.45

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Solution

The fourth proportional to 12,937.39, 17,844.30 and 7,628.45 is: 10,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.39 : 17,844.30 = 7,628.45 : x
  2. Step 2: Convert to fraction form
    12,937.39/17,844.30 = 7,628.45/x
  3. Step 3: Cross multiply
    12,937.39x = 17,844.30 × 7,628.45
  4. Step 4: Simplify right side
    12,937.39x = 136,124,261.11
  5. Step 5: Solve for x
    x = 136,124,261.11/12,937.39
  6. Step 6: Final answer
    x = 10,521.77

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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.