Home / 14,127.71-19,495.56-7,754.13

Finding the Fourth Proportional to 14,127.71, 19,495.56 and 7,754.13

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Solution

The fourth proportional to 14,127.71, 19,495.56 and 7,754.13 is: 10,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.71 : 19,495.56 = 7,754.13 : x
  2. Step 2: Convert to fraction form
    14,127.71/19,495.56 = 7,754.13/x
  3. Step 3: Cross multiply
    14,127.71x = 19,495.56 × 7,754.13
  4. Step 4: Simplify right side
    14,127.71x = 151,171,106.66
  5. Step 5: Solve for x
    x = 151,171,106.66/14,127.71
  6. Step 6: Final answer
    x = 10,700.33

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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.