Home / 15,526.43-21,426.75-8,452.97

Finding the Fourth Proportional to 15,526.43, 21,426.75 and 8,452.97

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Solution

The fourth proportional to 15,526.43, 21,426.75 and 8,452.97 is: 11,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.43 : 21,426.75 = 8,452.97 : x
  2. Step 2: Convert to fraction form
    15,526.43/21,426.75 = 8,452.97/x
  3. Step 3: Cross multiply
    15,526.43x = 21,426.75 × 8,452.97
  4. Step 4: Simplify right side
    15,526.43x = 181,119,567.81
  5. Step 5: Solve for x
    x = 181,119,567.81/15,526.43
  6. Step 6: Final answer
    x = 11,665.25

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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.