Home / 20,565.29-30,860.69-9,473.55

Finding the Fourth Proportional to 20,565.29, 30,860.69 and 9,473.55

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Solution

The fourth proportional to 20,565.29, 30,860.69 and 9,473.55 is: 14,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.29 : 30,860.69 = 9,473.55 : x
  2. Step 2: Convert to fraction form
    20,565.29/30,860.69 = 9,473.55/x
  3. Step 3: Cross multiply
    20,565.29x = 30,860.69 × 9,473.55
  4. Step 4: Simplify right side
    20,565.29x = 292,360,242.38
  5. Step 5: Solve for x
    x = 292,360,242.38/20,565.29
  6. Step 6: Final answer
    x = 14,216.20

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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.