Home / 20,710.04-31,043.52-9,607.55

Finding the Fourth Proportional to 20,710.04, 31,043.52 and 9,607.55

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Solution

The fourth proportional to 20,710.04, 31,043.52 and 9,607.55 is: 14,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.04 : 31,043.52 = 9,607.55 : x
  2. Step 2: Convert to fraction form
    20,710.04/31,043.52 = 9,607.55/x
  3. Step 3: Cross multiply
    20,710.04x = 31,043.52 × 9,607.55
  4. Step 4: Simplify right side
    20,710.04x = 298,252,015.36
  5. Step 5: Solve for x
    x = 298,252,015.36/20,710.04
  6. Step 6: Final answer
    x = 14,401.33

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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.