Home / 20,566.09-30,808.02-9,457.55

Finding the Fourth Proportional to 20,566.09, 30,808.02 and 9,457.55

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Solution

The fourth proportional to 20,566.09, 30,808.02 and 9,457.55 is: 14,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.09 : 30,808.02 = 9,457.55 : x
  2. Step 2: Convert to fraction form
    20,566.09/30,808.02 = 9,457.55/x
  3. Step 3: Cross multiply
    20,566.09x = 30,808.02 × 9,457.55
  4. Step 4: Simplify right side
    20,566.09x = 291,368,389.55
  5. Step 5: Solve for x
    x = 291,368,389.55/20,566.09
  6. Step 6: Final answer
    x = 14,167.42

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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.