Home / 10,486.24-15,729.18-4,246.18

Finding the Fourth Proportional to 10,486.24, 15,729.18 and 4,246.18

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Solution

The fourth proportional to 10,486.24, 15,729.18 and 4,246.18 is: 6,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.24 : 15,729.18 = 4,246.18 : x
  2. Step 2: Convert to fraction form
    10,486.24/15,729.18 = 4,246.18/x
  3. Step 3: Cross multiply
    10,486.24x = 15,729.18 × 4,246.18
  4. Step 4: Simplify right side
    10,486.24x = 66,788,929.53
  5. Step 5: Solve for x
    x = 66,788,929.53/10,486.24
  6. Step 6: Final answer
    x = 6,369.20

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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.