Home / 12,730.41-17,567.60-7,424.87

Finding the Fourth Proportional to 12,730.41, 17,567.60 and 7,424.87

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Solution

The fourth proportional to 12,730.41, 17,567.60 and 7,424.87 is: 10,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.41 : 17,567.60 = 7,424.87 : x
  2. Step 2: Convert to fraction form
    12,730.41/17,567.60 = 7,424.87/x
  3. Step 3: Cross multiply
    12,730.41x = 17,567.60 × 7,424.87
  4. Step 4: Simplify right side
    12,730.41x = 130,437,021.25
  5. Step 5: Solve for x
    x = 130,437,021.25/12,730.41
  6. Step 6: Final answer
    x = 10,246.10

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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.