Home / 10,135.53-15,203.30-4,292.19

Finding the Fourth Proportional to 10,135.53, 15,203.30 and 4,292.19

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Solution

The fourth proportional to 10,135.53, 15,203.30 and 4,292.19 is: 6,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.53 : 15,203.30 = 4,292.19 : x
  2. Step 2: Convert to fraction form
    10,135.53/15,203.30 = 4,292.19/x
  3. Step 3: Cross multiply
    10,135.53x = 15,203.30 × 4,292.19
  4. Step 4: Simplify right side
    10,135.53x = 65,255,430.77
  5. Step 5: Solve for x
    x = 65,255,430.77/10,135.53
  6. Step 6: Final answer
    x = 6,438.29

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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.