Home / 10,369.51-15,555.88-4,129.57

Finding the Fourth Proportional to 10,369.51, 15,555.88 and 4,129.57

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Solution

The fourth proportional to 10,369.51, 15,555.88 and 4,129.57 is: 6,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.51 : 15,555.88 = 4,129.57 : x
  2. Step 2: Convert to fraction form
    10,369.51/15,555.88 = 4,129.57/x
  3. Step 3: Cross multiply
    10,369.51x = 15,555.88 × 4,129.57
  4. Step 4: Simplify right side
    10,369.51x = 64,239,095.37
  5. Step 5: Solve for x
    x = 64,239,095.37/10,369.51
  6. Step 6: Final answer
    x = 6,195.00

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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.