Home / 14,001.39-19,322.15-7,713.77

Finding the Fourth Proportional to 14,001.39, 19,322.15 and 7,713.77

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Solution

The fourth proportional to 14,001.39, 19,322.15 and 7,713.77 is: 10,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.39 : 19,322.15 = 7,713.77 : x
  2. Step 2: Convert to fraction form
    14,001.39/19,322.15 = 7,713.77/x
  3. Step 3: Cross multiply
    14,001.39x = 19,322.15 × 7,713.77
  4. Step 4: Simplify right side
    14,001.39x = 149,046,621.01
  5. Step 5: Solve for x
    x = 149,046,621.01/14,001.39
  6. Step 6: Final answer
    x = 10,645.13

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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.