Home / 13,390.08-20,058.98-6,360.09

Finding the Fourth Proportional to 13,390.08, 20,058.98 and 6,360.09

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Solution

The fourth proportional to 13,390.08, 20,058.98 and 6,360.09 is: 9,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.08 : 20,058.98 = 6,360.09 : x
  2. Step 2: Convert to fraction form
    13,390.08/20,058.98 = 6,360.09/x
  3. Step 3: Cross multiply
    13,390.08x = 20,058.98 × 6,360.09
  4. Step 4: Simplify right side
    13,390.08x = 127,576,918.11
  5. Step 5: Solve for x
    x = 127,576,918.11/13,390.08
  6. Step 6: Final answer
    x = 9,527.72

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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.