Home / 20,365.24-30,547.86-11,595.64

Finding the Fourth Proportional to 20,365.24, 30,547.86 and 11,595.64

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Solution

The fourth proportional to 20,365.24, 30,547.86 and 11,595.64 is: 17,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.24 : 30,547.86 = 11,595.64 : x
  2. Step 2: Convert to fraction form
    20,365.24/30,547.86 = 11,595.64/x
  3. Step 3: Cross multiply
    20,365.24x = 30,547.86 × 11,595.64
  4. Step 4: Simplify right side
    20,365.24x = 354,221,987.33
  5. Step 5: Solve for x
    x = 354,221,987.33/20,365.24
  6. Step 6: Final answer
    x = 17,393.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.