Home / 15,354.42-22,911.87-13,699.59

Finding the Fourth Proportional to 15,354.42, 22,911.87 and 13,699.59

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Solution

The fourth proportional to 15,354.42, 22,911.87 and 13,699.59 is: 20,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.42 : 22,911.87 = 13,699.59 : x
  2. Step 2: Convert to fraction form
    15,354.42/22,911.87 = 13,699.59/x
  3. Step 3: Cross multiply
    15,354.42x = 22,911.87 × 13,699.59
  4. Step 4: Simplify right side
    15,354.42x = 313,883,225.13
  5. Step 5: Solve for x
    x = 313,883,225.13/15,354.42
  6. Step 6: Final answer
    x = 20,442.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.