Home / 21,437.96-29,579.03-12,366.10

Finding the Fourth Proportional to 21,437.96, 29,579.03 and 12,366.10

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Solution

The fourth proportional to 21,437.96, 29,579.03 and 12,366.10 is: 17,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.96 : 29,579.03 = 12,366.10 : x
  2. Step 2: Convert to fraction form
    21,437.96/29,579.03 = 12,366.10/x
  3. Step 3: Cross multiply
    21,437.96x = 29,579.03 × 12,366.10
  4. Step 4: Simplify right side
    21,437.96x = 365,777,199.85
  5. Step 5: Solve for x
    x = 365,777,199.85/21,437.96
  6. Step 6: Final answer
    x = 17,062.13

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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.