Home / 21,403.96-29,530.27-12,444.14

Finding the Fourth Proportional to 21,403.96, 29,530.27 and 12,444.14

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Solution

The fourth proportional to 21,403.96, 29,530.27 and 12,444.14 is: 17,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.96 : 29,530.27 = 12,444.14 : x
  2. Step 2: Convert to fraction form
    21,403.96/29,530.27 = 12,444.14/x
  3. Step 3: Cross multiply
    21,403.96x = 29,530.27 × 12,444.14
  4. Step 4: Simplify right side
    21,403.96x = 367,478,903.50
  5. Step 5: Solve for x
    x = 367,478,903.50/21,403.96
  6. Step 6: Final answer
    x = 17,168.74

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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.