Home / 9,818.76-13,541.76-6,630.96

Finding the Fourth Proportional to 9,818.76, 13,541.76 and 6,630.96

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Solution

The fourth proportional to 9,818.76, 13,541.76 and 6,630.96 is: 9,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.76 : 13,541.76 = 6,630.96 : x
  2. Step 2: Convert to fraction form
    9,818.76/13,541.76 = 6,630.96/x
  3. Step 3: Cross multiply
    9,818.76x = 13,541.76 × 6,630.96
  4. Step 4: Simplify right side
    9,818.76x = 89,794,868.89
  5. Step 5: Solve for x
    x = 89,794,868.89/9,818.76
  6. Step 6: Final answer
    x = 9,145.24

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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.