Home / 19,433.10-29,149.65-12,434.70

Finding the Fourth Proportional to 19,433.10, 29,149.65 and 12,434.70

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Solution

The fourth proportional to 19,433.10, 29,149.65 and 12,434.70 is: 18,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.10 : 29,149.65 = 12,434.70 : x
  2. Step 2: Convert to fraction form
    19,433.10/29,149.65 = 12,434.70/x
  3. Step 3: Cross multiply
    19,433.10x = 29,149.65 × 12,434.70
  4. Step 4: Simplify right side
    19,433.10x = 362,467,152.86
  5. Step 5: Solve for x
    x = 362,467,152.86/19,433.10
  6. Step 6: Final answer
    x = 18,652.05

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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.