Home / 12,359.52-17,056.20-6,770.40

Finding the Fourth Proportional to 12,359.52, 17,056.20 and 6,770.40

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Solution

The fourth proportional to 12,359.52, 17,056.20 and 6,770.40 is: 9,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.52 : 17,056.20 = 6,770.40 : x
  2. Step 2: Convert to fraction form
    12,359.52/17,056.20 = 6,770.40/x
  3. Step 3: Cross multiply
    12,359.52x = 17,056.20 × 6,770.40
  4. Step 4: Simplify right side
    12,359.52x = 115,477,296.48
  5. Step 5: Solve for x
    x = 115,477,296.48/12,359.52
  6. Step 6: Final answer
    x = 9,343.19

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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.