Home / 13,765.52-19,005.26-9,465.77

Finding the Fourth Proportional to 13,765.52, 19,005.26 and 9,465.77

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Solution

The fourth proportional to 13,765.52, 19,005.26 and 9,465.77 is: 13,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.52 : 19,005.26 = 9,465.77 : x
  2. Step 2: Convert to fraction form
    13,765.52/19,005.26 = 9,465.77/x
  3. Step 3: Cross multiply
    13,765.52x = 19,005.26 × 9,465.77
  4. Step 4: Simplify right side
    13,765.52x = 179,899,277.60
  5. Step 5: Solve for x
    x = 179,899,277.60/13,765.52
  6. Step 6: Final answer
    x = 13,068.84

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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.