Home / 14,242.23-19,653.91-7,869.29

Finding the Fourth Proportional to 14,242.23, 19,653.91 and 7,869.29

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Solution

The fourth proportional to 14,242.23, 19,653.91 and 7,869.29 is: 10,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.23 : 19,653.91 = 7,869.29 : x
  2. Step 2: Convert to fraction form
    14,242.23/19,653.91 = 7,869.29/x
  3. Step 3: Cross multiply
    14,242.23x = 19,653.91 × 7,869.29
  4. Step 4: Simplify right side
    14,242.23x = 154,662,199.48
  5. Step 5: Solve for x
    x = 154,662,199.48/14,242.23
  6. Step 6: Final answer
    x = 10,859.41

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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.