Home / 13,937.60-19,232.44-7,888.52

Finding the Fourth Proportional to 13,937.60, 19,232.44 and 7,888.52

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Solution

The fourth proportional to 13,937.60, 19,232.44 and 7,888.52 is: 10,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.60 : 19,232.44 = 7,888.52 : x
  2. Step 2: Convert to fraction form
    13,937.60/19,232.44 = 7,888.52/x
  3. Step 3: Cross multiply
    13,937.60x = 19,232.44 × 7,888.52
  4. Step 4: Simplify right side
    13,937.60x = 151,715,487.59
  5. Step 5: Solve for x
    x = 151,715,487.59/13,937.60
  6. Step 6: Final answer
    x = 10,885.34

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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.