Home / 10,148.58-14,013.96-6,378.30

Finding the Fourth Proportional to 10,148.58, 14,013.96 and 6,378.30

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Solution

The fourth proportional to 10,148.58, 14,013.96 and 6,378.30 is: 8,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.58 : 14,013.96 = 6,378.30 : x
  2. Step 2: Convert to fraction form
    10,148.58/14,013.96 = 6,378.30/x
  3. Step 3: Cross multiply
    10,148.58x = 14,013.96 × 6,378.30
  4. Step 4: Simplify right side
    10,148.58x = 89,385,241.07
  5. Step 5: Solve for x
    x = 89,385,241.07/10,148.58
  6. Step 6: Final answer
    x = 8,807.66

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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.