Home / 10,555.33-14,565.91-5,775.25

Finding the Fourth Proportional to 10,555.33, 14,565.91 and 5,775.25

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Solution

The fourth proportional to 10,555.33, 14,565.91 and 5,775.25 is: 7,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.33 : 14,565.91 = 5,775.25 : x
  2. Step 2: Convert to fraction form
    10,555.33/14,565.91 = 5,775.25/x
  3. Step 3: Cross multiply
    10,555.33x = 14,565.91 × 5,775.25
  4. Step 4: Simplify right side
    10,555.33x = 84,121,771.73
  5. Step 5: Solve for x
    x = 84,121,771.73/10,555.33
  6. Step 6: Final answer
    x = 7,969.60

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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.