Home / 13,244.43-18,275.82-7,864.95

Finding the Fourth Proportional to 13,244.43, 18,275.82 and 7,864.95

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Solution

The fourth proportional to 13,244.43, 18,275.82 and 7,864.95 is: 10,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.43 : 18,275.82 = 7,864.95 : x
  2. Step 2: Convert to fraction form
    13,244.43/18,275.82 = 7,864.95/x
  3. Step 3: Cross multiply
    13,244.43x = 18,275.82 × 7,864.95
  4. Step 4: Simplify right side
    13,244.43x = 143,738,410.51
  5. Step 5: Solve for x
    x = 143,738,410.51/13,244.43
  6. Step 6: Final answer
    x = 10,852.74

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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.