Home / 14,243.77-19,656.07-7,870.04

Finding the Fourth Proportional to 14,243.77, 19,656.07 and 7,870.04

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Solution

The fourth proportional to 14,243.77, 19,656.07 and 7,870.04 is: 10,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.77 : 19,656.07 = 7,870.04 : x
  2. Step 2: Convert to fraction form
    14,243.77/19,656.07 = 7,870.04/x
  3. Step 3: Cross multiply
    14,243.77x = 19,656.07 × 7,870.04
  4. Step 4: Simplify right side
    14,243.77x = 154,693,957.61
  5. Step 5: Solve for x
    x = 154,693,957.61/14,243.77
  6. Step 6: Final answer
    x = 10,860.46

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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.