Home / 10,818.32-14,929.28-6,102.56

Finding the Fourth Proportional to 10,818.32, 14,929.28 and 6,102.56

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Solution

The fourth proportional to 10,818.32, 14,929.28 and 6,102.56 is: 8,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.32 : 14,929.28 = 6,102.56 : x
  2. Step 2: Convert to fraction form
    10,818.32/14,929.28 = 6,102.56/x
  3. Step 3: Cross multiply
    10,818.32x = 14,929.28 × 6,102.56
  4. Step 4: Simplify right side
    10,818.32x = 91,106,826.96
  5. Step 5: Solve for x
    x = 91,106,826.96/10,818.32
  6. Step 6: Final answer
    x = 8,421.53

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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.