Home / 12,319.36-17,000.48-6,730.40

Finding the Fourth Proportional to 12,319.36, 17,000.48 and 6,730.40

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Solution

The fourth proportional to 12,319.36, 17,000.48 and 6,730.40 is: 9,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.36 : 17,000.48 = 6,730.40 : x
  2. Step 2: Convert to fraction form
    12,319.36/17,000.48 = 6,730.40/x
  3. Step 3: Cross multiply
    12,319.36x = 17,000.48 × 6,730.40
  4. Step 4: Simplify right side
    12,319.36x = 114,420,030.59
  5. Step 5: Solve for x
    x = 114,420,030.59/12,319.36
  6. Step 6: Final answer
    x = 9,287.82

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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.