Home / 13,312.01-19,933.86-12,917.85

Finding the Fourth Proportional to 13,312.01, 19,933.86 and 12,917.85

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Solution

The fourth proportional to 13,312.01, 19,933.86 and 12,917.85 is: 19,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.01 : 19,933.86 = 12,917.85 : x
  2. Step 2: Convert to fraction form
    13,312.01/19,933.86 = 12,917.85/x
  3. Step 3: Cross multiply
    13,312.01x = 19,933.86 × 12,917.85
  4. Step 4: Simplify right side
    13,312.01x = 257,502,613.40
  5. Step 5: Solve for x
    x = 257,502,613.40/13,312.01
  6. Step 6: Final answer
    x = 19,343.63

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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.