Home / 14,265.32-19,685.58-7,891.50

Finding the Fourth Proportional to 14,265.32, 19,685.58 and 7,891.50

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Solution

The fourth proportional to 14,265.32, 19,685.58 and 7,891.50 is: 10,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.32 : 19,685.58 = 7,891.50 : x
  2. Step 2: Convert to fraction form
    14,265.32/19,685.58 = 7,891.50/x
  3. Step 3: Cross multiply
    14,265.32x = 19,685.58 × 7,891.50
  4. Step 4: Simplify right side
    14,265.32x = 155,348,754.57
  5. Step 5: Solve for x
    x = 155,348,754.57/14,265.32
  6. Step 6: Final answer
    x = 10,889.96

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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.