Home / 20,301.61-30,457.65-6,261.32

Finding the Fourth Proportional to 20,301.61, 30,457.65 and 6,261.32

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Solution

The fourth proportional to 20,301.61, 30,457.65 and 6,261.32 is: 9,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.61 : 30,457.65 = 6,261.32 : x
  2. Step 2: Convert to fraction form
    20,301.61/30,457.65 = 6,261.32/x
  3. Step 3: Cross multiply
    20,301.61x = 30,457.65 × 6,261.32
  4. Step 4: Simplify right side
    20,301.61x = 190,704,940.81
  5. Step 5: Solve for x
    x = 190,704,940.81/20,301.61
  6. Step 6: Final answer
    x = 9,393.59

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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.