Home / 9,513.80-13,130.42-5,537.11

Finding the Fourth Proportional to 9,513.80, 13,130.42 and 5,537.11

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Solution

The fourth proportional to 9,513.80, 13,130.42 and 5,537.11 is: 7,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.80 : 13,130.42 = 5,537.11 : x
  2. Step 2: Convert to fraction form
    9,513.80/13,130.42 = 5,537.11/x
  3. Step 3: Cross multiply
    9,513.80x = 13,130.42 × 5,537.11
  4. Step 4: Simplify right side
    9,513.80x = 72,704,514.23
  5. Step 5: Solve for x
    x = 72,704,514.23/9,513.80
  6. Step 6: Final answer
    x = 7,642.01

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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.