Home / 13,835.34-19,092.21-7,785.45

Finding the Fourth Proportional to 13,835.34, 19,092.21 and 7,785.45

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Solution

The fourth proportional to 13,835.34, 19,092.21 and 7,785.45 is: 10,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.34 : 19,092.21 = 7,785.45 : x
  2. Step 2: Convert to fraction form
    13,835.34/19,092.21 = 7,785.45/x
  3. Step 3: Cross multiply
    13,835.34x = 19,092.21 × 7,785.45
  4. Step 4: Simplify right side
    13,835.34x = 148,641,417.15
  5. Step 5: Solve for x
    x = 148,641,417.15/13,835.34
  6. Step 6: Final answer
    x = 10,743.60

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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.