Home / 12,637.94-17,440.25-6,972.74

Finding the Fourth Proportional to 12,637.94, 17,440.25 and 6,972.74

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Solution

The fourth proportional to 12,637.94, 17,440.25 and 6,972.74 is: 9,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.94 : 17,440.25 = 6,972.74 : x
  2. Step 2: Convert to fraction form
    12,637.94/17,440.25 = 6,972.74/x
  3. Step 3: Cross multiply
    12,637.94x = 17,440.25 × 6,972.74
  4. Step 4: Simplify right side
    12,637.94x = 121,606,337.52
  5. Step 5: Solve for x
    x = 121,606,337.52/12,637.94
  6. Step 6: Final answer
    x = 9,622.32

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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.