Home / 10,353.02-15,529.73-2,561.63

Finding the Fourth Proportional to 10,353.02, 15,529.73 and 2,561.63

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Solution

The fourth proportional to 10,353.02, 15,529.73 and 2,561.63 is: 3,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.02 : 15,529.73 = 2,561.63 : x
  2. Step 2: Convert to fraction form
    10,353.02/15,529.73 = 2,561.63/x
  3. Step 3: Cross multiply
    10,353.02x = 15,529.73 × 2,561.63
  4. Step 4: Simplify right side
    10,353.02x = 39,781,331.80
  5. Step 5: Solve for x
    x = 39,781,331.80/10,353.02
  6. Step 6: Final answer
    x = 3,842.49

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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.