Home / 13,851.21-19,114.74-7,563.59

Finding the Fourth Proportional to 13,851.21, 19,114.74 and 7,563.59

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Solution

The fourth proportional to 13,851.21, 19,114.74 and 7,563.59 is: 10,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.21 : 19,114.74 = 7,563.59 : x
  2. Step 2: Convert to fraction form
    13,851.21/19,114.74 = 7,563.59/x
  3. Step 3: Cross multiply
    13,851.21x = 19,114.74 × 7,563.59
  4. Step 4: Simplify right side
    13,851.21x = 144,575,960.74
  5. Step 5: Solve for x
    x = 144,575,960.74/13,851.21
  6. Step 6: Final answer
    x = 10,437.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.