Home / 12,637.32-17,439.28-6,972.58

Finding the Fourth Proportional to 12,637.32, 17,439.28 and 6,972.58

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Solution

The fourth proportional to 12,637.32, 17,439.28 and 6,972.58 is: 9,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.32 : 17,439.28 = 6,972.58 : x
  2. Step 2: Convert to fraction form
    12,637.32/17,439.28 = 6,972.58/x
  3. Step 3: Cross multiply
    12,637.32x = 17,439.28 × 6,972.58
  4. Step 4: Simplify right side
    12,637.32x = 121,596,774.94
  5. Step 5: Solve for x
    x = 121,596,774.94/12,637.32
  6. Step 6: Final answer
    x = 9,622.04

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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.