Home / 10,818.10-14,928.93-6,102.35

Finding the Fourth Proportional to 10,818.10, 14,928.93 and 6,102.35

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Solution

The fourth proportional to 10,818.10, 14,928.93 and 6,102.35 is: 8,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.10 : 14,928.93 = 6,102.35 : x
  2. Step 2: Convert to fraction form
    10,818.10/14,928.93 = 6,102.35/x
  3. Step 3: Cross multiply
    10,818.10x = 14,928.93 × 6,102.35
  4. Step 4: Simplify right side
    10,818.10x = 91,101,481.34
  5. Step 5: Solve for x
    x = 91,101,481.34/10,818.10
  6. Step 6: Final answer
    x = 8,421.21

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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.