Home / 12,639.17-17,441.93-6,973.97

Finding the Fourth Proportional to 12,639.17, 17,441.93 and 6,973.97

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Solution

The fourth proportional to 12,639.17, 17,441.93 and 6,973.97 is: 9,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639.17 : 17,441.93 = 6,973.97 : x
  2. Step 2: Convert to fraction form
    12,639.17/17,441.93 = 6,973.97/x
  3. Step 3: Cross multiply
    12,639.17x = 17,441.93 × 6,973.97
  4. Step 4: Simplify right side
    12,639.17x = 121,639,426.79
  5. Step 5: Solve for x
    x = 121,639,426.79/12,639.17
  6. Step 6: Final answer
    x = 9,624.00

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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.