Home / 14,001.57-19,322.12-7,628.51

Finding the Fourth Proportional to 14,001.57, 19,322.12 and 7,628.51

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Solution

The fourth proportional to 14,001.57, 19,322.12 and 7,628.51 is: 10,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.57 : 19,322.12 = 7,628.51 : x
  2. Step 2: Convert to fraction form
    14,001.57/19,322.12 = 7,628.51/x
  3. Step 3: Cross multiply
    14,001.57x = 19,322.12 × 7,628.51
  4. Step 4: Simplify right side
    14,001.57x = 147,399,053.02
  5. Step 5: Solve for x
    x = 147,399,053.02/14,001.57
  6. Step 6: Final answer
    x = 10,527.32

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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.