Home / 20,564.04-30,841.32-6,521.46

Finding the Fourth Proportional to 20,564.04, 30,841.32 and 6,521.46

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Solution

The fourth proportional to 20,564.04, 30,841.32 and 6,521.46 is: 9,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.04 : 30,841.32 = 6,521.46 : x
  2. Step 2: Convert to fraction form
    20,564.04/30,841.32 = 6,521.46/x
  3. Step 3: Cross multiply
    20,564.04x = 30,841.32 × 6,521.46
  4. Step 4: Simplify right side
    20,564.04x = 201,130,434.73
  5. Step 5: Solve for x
    x = 201,130,434.73/20,564.04
  6. Step 6: Final answer
    x = 9,780.69

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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.