Home / 13,298.80-19,932.63-8,548.90

Finding the Fourth Proportional to 13,298.80, 19,932.63 and 8,548.90

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Solution

The fourth proportional to 13,298.80, 19,932.63 and 8,548.90 is: 12,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.80 : 19,932.63 = 8,548.90 : x
  2. Step 2: Convert to fraction form
    13,298.80/19,932.63 = 8,548.90/x
  3. Step 3: Cross multiply
    13,298.80x = 19,932.63 × 8,548.90
  4. Step 4: Simplify right side
    13,298.80x = 170,402,060.61
  5. Step 5: Solve for x
    x = 170,402,060.61/13,298.80
  6. Step 6: Final answer
    x = 12,813.34

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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.