Home / 15,221.32-22,835.40-5,090.50

Finding the Fourth Proportional to 15,221.32, 22,835.40 and 5,090.50

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Solution

The fourth proportional to 15,221.32, 22,835.40 and 5,090.50 is: 7,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.32 : 22,835.40 = 5,090.50 : x
  2. Step 2: Convert to fraction form
    15,221.32/22,835.40 = 5,090.50/x
  3. Step 3: Cross multiply
    15,221.32x = 22,835.40 × 5,090.50
  4. Step 4: Simplify right side
    15,221.32x = 116,243,603.70
  5. Step 5: Solve for x
    x = 116,243,603.70/15,221.32
  6. Step 6: Final answer
    x = 7,636.89

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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.