Home / 12,513.15-17,267.65-7,206.91

Finding the Fourth Proportional to 12,513.15, 17,267.65 and 7,206.91

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Solution

The fourth proportional to 12,513.15, 17,267.65 and 7,206.91 is: 9,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.15 : 17,267.65 = 7,206.91 : x
  2. Step 2: Convert to fraction form
    12,513.15/17,267.65 = 7,206.91/x
  3. Step 3: Cross multiply
    12,513.15x = 17,267.65 × 7,206.91
  4. Step 4: Simplify right side
    12,513.15x = 124,446,338.28
  5. Step 5: Solve for x
    x = 124,446,338.28/12,513.15
  6. Step 6: Final answer
    x = 9,945.24

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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.