Home / 22,457.32-30,987.48-13,502.68

Finding the Fourth Proportional to 22,457.32, 30,987.48 and 13,502.68

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Solution

The fourth proportional to 22,457.32, 30,987.48 and 13,502.68 is: 18,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.32 : 30,987.48 = 13,502.68 : x
  2. Step 2: Convert to fraction form
    22,457.32/30,987.48 = 13,502.68/x
  3. Step 3: Cross multiply
    22,457.32x = 30,987.48 × 13,502.68
  4. Step 4: Simplify right side
    22,457.32x = 418,414,026.45
  5. Step 5: Solve for x
    x = 418,414,026.45/22,457.32
  6. Step 6: Final answer
    x = 18,631.52

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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.