Home / 19,575.80-27,017.40-11,509.04

Finding the Fourth Proportional to 19,575.80, 27,017.40 and 11,509.04

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Solution

The fourth proportional to 19,575.80, 27,017.40 and 11,509.04 is: 15,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.80 : 27,017.40 = 11,509.04 : x
  2. Step 2: Convert to fraction form
    19,575.80/27,017.40 = 11,509.04/x
  3. Step 3: Cross multiply
    19,575.80x = 27,017.40 × 11,509.04
  4. Step 4: Simplify right side
    19,575.80x = 310,944,337.30
  5. Step 5: Solve for x
    x = 310,944,337.30/19,575.80
  6. Step 6: Final answer
    x = 15,884.12

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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.