Home / 14,054.89-19,395.15-7,681.39

Finding the Fourth Proportional to 14,054.89, 19,395.15 and 7,681.39

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Solution

The fourth proportional to 14,054.89, 19,395.15 and 7,681.39 is: 10,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.89 : 19,395.15 = 7,681.39 : x
  2. Step 2: Convert to fraction form
    14,054.89/19,395.15 = 7,681.39/x
  3. Step 3: Cross multiply
    14,054.89x = 19,395.15 × 7,681.39
  4. Step 4: Simplify right side
    14,054.89x = 148,981,711.26
  5. Step 5: Solve for x
    x = 148,981,711.26/14,054.89
  6. Step 6: Final answer
    x = 10,599.99

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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.