Home / 21,199.48-29,256.26-12,248.16

Finding the Fourth Proportional to 21,199.48, 29,256.26 and 12,248.16

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Solution

The fourth proportional to 21,199.48, 29,256.26 and 12,248.16 is: 16,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.48 : 29,256.26 = 12,248.16 : x
  2. Step 2: Convert to fraction form
    21,199.48/29,256.26 = 12,248.16/x
  3. Step 3: Cross multiply
    21,199.48x = 29,256.26 × 12,248.16
  4. Step 4: Simplify right side
    21,199.48x = 358,335,353.48
  5. Step 5: Solve for x
    x = 358,335,353.48/21,199.48
  6. Step 6: Final answer
    x = 16,903.03

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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.