Home / 20,646.42-30,964.96-9,547.03

Finding the Fourth Proportional to 20,646.42, 30,964.96 and 9,547.03

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Solution

The fourth proportional to 20,646.42, 30,964.96 and 9,547.03 is: 14,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646.42 : 30,964.96 = 9,547.03 : x
  2. Step 2: Convert to fraction form
    20,646.42/30,964.96 = 9,547.03/x
  3. Step 3: Cross multiply
    20,646.42x = 30,964.96 × 9,547.03
  4. Step 4: Simplify right side
    20,646.42x = 295,623,402.07
  5. Step 5: Solve for x
    x = 295,623,402.07/20,646.42
  6. Step 6: Final answer
    x = 14,318.39

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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.