Home / 13,242.34-19,860.47-7,907.02

Finding the Fourth Proportional to 13,242.34, 19,860.47 and 7,907.02

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Solution

The fourth proportional to 13,242.34, 19,860.47 and 7,907.02 is: 11,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.34 : 19,860.47 = 7,907.02 : x
  2. Step 2: Convert to fraction form
    13,242.34/19,860.47 = 7,907.02/x
  3. Step 3: Cross multiply
    13,242.34x = 19,860.47 × 7,907.02
  4. Step 4: Simplify right side
    13,242.34x = 157,037,051.73
  5. Step 5: Solve for x
    x = 157,037,051.73/13,242.34
  6. Step 6: Final answer
    x = 11,858.71

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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.