Home / 14,230.23-19,637.34-7,857.29

Finding the Fourth Proportional to 14,230.23, 19,637.34 and 7,857.29

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Solution

The fourth proportional to 14,230.23, 19,637.34 and 7,857.29 is: 10,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.23 : 19,637.34 = 7,857.29 : x
  2. Step 2: Convert to fraction form
    14,230.23/19,637.34 = 7,857.29/x
  3. Step 3: Cross multiply
    14,230.23x = 19,637.34 × 7,857.29
  4. Step 4: Simplify right side
    14,230.23x = 154,296,177.02
  5. Step 5: Solve for x
    x = 154,296,177.02/14,230.23
  6. Step 6: Final answer
    x = 10,842.84

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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.