Home / 12,529.70-18,806.85-9,417.33

Finding the Fourth Proportional to 12,529.70, 18,806.85 and 9,417.33

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Solution

The fourth proportional to 12,529.70, 18,806.85 and 9,417.33 is: 14,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.70 : 18,806.85 = 9,417.33 : x
  2. Step 2: Convert to fraction form
    12,529.70/18,806.85 = 9,417.33/x
  3. Step 3: Cross multiply
    12,529.70x = 18,806.85 × 9,417.33
  4. Step 4: Simplify right side
    12,529.70x = 177,110,312.71
  5. Step 5: Solve for x
    x = 177,110,312.71/12,529.70
  6. Step 6: Final answer
    x = 14,135.24

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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.