Home / 11,352.16-15,664.61-6,315.19

Finding the Fourth Proportional to 11,352.16, 15,664.61 and 6,315.19

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Solution

The fourth proportional to 11,352.16, 15,664.61 and 6,315.19 is: 8,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.16 : 15,664.61 = 6,315.19 : x
  2. Step 2: Convert to fraction form
    11,352.16/15,664.61 = 6,315.19/x
  3. Step 3: Cross multiply
    11,352.16x = 15,664.61 × 6,315.19
  4. Step 4: Simplify right side
    11,352.16x = 98,924,956.85
  5. Step 5: Solve for x
    x = 98,924,956.85/11,352.16
  6. Step 6: Final answer
    x = 8,714.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.