Home / 12,950.43-19,331.10-11,113.35

Finding the Fourth Proportional to 12,950.43, 19,331.10 and 11,113.35

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Solution

The fourth proportional to 12,950.43, 19,331.10 and 11,113.35 is: 16,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.43 : 19,331.10 = 11,113.35 : x
  2. Step 2: Convert to fraction form
    12,950.43/19,331.10 = 11,113.35/x
  3. Step 3: Cross multiply
    12,950.43x = 19,331.10 × 11,113.35
  4. Step 4: Simplify right side
    12,950.43x = 214,833,280.19
  5. Step 5: Solve for x
    x = 214,833,280.19/12,950.43
  6. Step 6: Final answer
    x = 16,588.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.