Home / 13,088.88-19,647.84-6,513.30

Finding the Fourth Proportional to 13,088.88, 19,647.84 and 6,513.30

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Solution

The fourth proportional to 13,088.88, 19,647.84 and 6,513.30 is: 9,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.88 : 19,647.84 = 6,513.30 : x
  2. Step 2: Convert to fraction form
    13,088.88/19,647.84 = 6,513.30/x
  3. Step 3: Cross multiply
    13,088.88x = 19,647.84 × 6,513.30
  4. Step 4: Simplify right side
    13,088.88x = 127,972,276.27
  5. Step 5: Solve for x
    x = 127,972,276.27/13,088.88
  6. Step 6: Final answer
    x = 9,777.18

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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.