Home / 15,526.41-21,426.50-8,452.88

Finding the Fourth Proportional to 15,526.41, 21,426.50 and 8,452.88

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Solution

The fourth proportional to 15,526.41, 21,426.50 and 8,452.88 is: 11,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.41 : 21,426.50 = 8,452.88 : x
  2. Step 2: Convert to fraction form
    15,526.41/21,426.50 = 8,452.88/x
  3. Step 3: Cross multiply
    15,526.41x = 21,426.50 × 8,452.88
  4. Step 4: Simplify right side
    15,526.41x = 181,115,483.92
  5. Step 5: Solve for x
    x = 181,115,483.92/15,526.41
  6. Step 6: Final answer
    x = 11,664.99

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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.