Home / 10,143.12-15,214.28-4,596.44

Finding the Fourth Proportional to 10,143.12, 15,214.28 and 4,596.44

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Solution

The fourth proportional to 10,143.12, 15,214.28 and 4,596.44 is: 6,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.12 : 15,214.28 = 4,596.44 : x
  2. Step 2: Convert to fraction form
    10,143.12/15,214.28 = 4,596.44/x
  3. Step 3: Cross multiply
    10,143.12x = 15,214.28 × 4,596.44
  4. Step 4: Simplify right side
    10,143.12x = 69,931,525.16
  5. Step 5: Solve for x
    x = 69,931,525.16/10,143.12
  6. Step 6: Final answer
    x = 6,894.48

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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.