Home / 14,301.12-19,708.92-10,315.20

Finding the Fourth Proportional to 14,301.12, 19,708.92 and 10,315.20

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Solution

The fourth proportional to 14,301.12, 19,708.92 and 10,315.20 is: 14,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.12 : 19,708.92 = 10,315.20 : x
  2. Step 2: Convert to fraction form
    14,301.12/19,708.92 = 10,315.20/x
  3. Step 3: Cross multiply
    14,301.12x = 19,708.92 × 10,315.20
  4. Step 4: Simplify right side
    14,301.12x = 203,301,451.58
  5. Step 5: Solve for x
    x = 203,301,451.58/14,301.12
  6. Step 6: Final answer
    x = 14,215.77

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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.