Home / 10,348.79-15,525.23-4,111.74

Finding the Fourth Proportional to 10,348.79, 15,525.23 and 4,111.74

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Solution

The fourth proportional to 10,348.79, 15,525.23 and 4,111.74 is: 6,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.79 : 15,525.23 = 4,111.74 : x
  2. Step 2: Convert to fraction form
    10,348.79/15,525.23 = 4,111.74/x
  3. Step 3: Cross multiply
    10,348.79x = 15,525.23 × 4,111.74
  4. Step 4: Simplify right side
    10,348.79x = 63,835,709.20
  5. Step 5: Solve for x
    x = 63,835,709.20/10,348.79
  6. Step 6: Final answer
    x = 6,168.42

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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.