Home / 20,358.03-30,526.73-7,208.55

Finding the Fourth Proportional to 20,358.03, 30,526.73 and 7,208.55

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Solution

The fourth proportional to 20,358.03, 30,526.73 and 7,208.55 is: 10,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358.03 : 30,526.73 = 7,208.55 : x
  2. Step 2: Convert to fraction form
    20,358.03/30,526.73 = 7,208.55/x
  3. Step 3: Cross multiply
    20,358.03x = 30,526.73 × 7,208.55
  4. Step 4: Simplify right side
    20,358.03x = 220,053,423.50
  5. Step 5: Solve for x
    x = 220,053,423.50/20,358.03
  6. Step 6: Final answer
    x = 10,809.17

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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.