Home / 10,818.12-14,929.02-6,102.84

Finding the Fourth Proportional to 10,818.12, 14,929.02 and 6,102.84

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Solution

The fourth proportional to 10,818.12, 14,929.02 and 6,102.84 is: 8,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.12 : 14,929.02 = 6,102.84 : x
  2. Step 2: Convert to fraction form
    10,818.12/14,929.02 = 6,102.84/x
  3. Step 3: Cross multiply
    10,818.12x = 14,929.02 × 6,102.84
  4. Step 4: Simplify right side
    10,818.12x = 91,109,420.42
  5. Step 5: Solve for x
    x = 91,109,420.42/10,818.12
  6. Step 6: Final answer
    x = 8,421.93

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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.