Home / 15,289.85-22,938.23-5,429.14

Finding the Fourth Proportional to 15,289.85, 22,938.23 and 5,429.14

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Solution

The fourth proportional to 15,289.85, 22,938.23 and 5,429.14 is: 8,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.85 : 22,938.23 = 5,429.14 : x
  2. Step 2: Convert to fraction form
    15,289.85/22,938.23 = 5,429.14/x
  3. Step 3: Cross multiply
    15,289.85x = 22,938.23 × 5,429.14
  4. Step 4: Simplify right side
    15,289.85x = 124,534,818.25
  5. Step 5: Solve for x
    x = 124,534,818.25/15,289.85
  6. Step 6: Final answer
    x = 8,144.93

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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.