Home / 9,347.60-14,011.80-5,181.20

Finding the Fourth Proportional to 9,347.60, 14,011.80 and 5,181.20

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Solution

The fourth proportional to 9,347.60, 14,011.80 and 5,181.20 is: 7,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347.60 : 14,011.80 = 5,181.20 : x
  2. Step 2: Convert to fraction form
    9,347.60/14,011.80 = 5,181.20/x
  3. Step 3: Cross multiply
    9,347.60x = 14,011.80 × 5,181.20
  4. Step 4: Simplify right side
    9,347.60x = 72,597,938.16
  5. Step 5: Solve for x
    x = 72,597,938.16/9,347.60
  6. Step 6: Final answer
    x = 7,766.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.