Home / 19,903.50-29,835.18-12,513.24

Finding the Fourth Proportional to 19,903.50, 29,835.18 and 12,513.24

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Solution

The fourth proportional to 19,903.50, 29,835.18 and 12,513.24 is: 18,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.50 : 29,835.18 = 12,513.24 : x
  2. Step 2: Convert to fraction form
    19,903.50/29,835.18 = 12,513.24/x
  3. Step 3: Cross multiply
    19,903.50x = 29,835.18 × 12,513.24
  4. Step 4: Simplify right side
    19,903.50x = 373,334,767.78
  5. Step 5: Solve for x
    x = 373,334,767.78/19,903.50
  6. Step 6: Final answer
    x = 18,757.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.