Home / 10,370.28-14,311.08-5,654.64

Finding the Fourth Proportional to 10,370.28, 14,311.08 and 5,654.64

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Solution

The fourth proportional to 10,370.28, 14,311.08 and 5,654.64 is: 7,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.28 : 14,311.08 = 5,654.64 : x
  2. Step 2: Convert to fraction form
    10,370.28/14,311.08 = 5,654.64/x
  3. Step 3: Cross multiply
    10,370.28x = 14,311.08 × 5,654.64
  4. Step 4: Simplify right side
    10,370.28x = 80,924,005.41
  5. Step 5: Solve for x
    x = 80,924,005.41/10,370.28
  6. Step 6: Final answer
    x = 7,803.45

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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.