Home / 13,715.02-20,570.42-4,353.82

Finding the Fourth Proportional to 13,715.02, 20,570.42 and 4,353.82

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Solution

The fourth proportional to 13,715.02, 20,570.42 and 4,353.82 is: 6,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.02 : 20,570.42 = 4,353.82 : x
  2. Step 2: Convert to fraction form
    13,715.02/20,570.42 = 4,353.82/x
  3. Step 3: Cross multiply
    13,715.02x = 20,570.42 × 4,353.82
  4. Step 4: Simplify right side
    13,715.02x = 89,559,832.81
  5. Step 5: Solve for x
    x = 89,559,832.81/13,715.02
  6. Step 6: Final answer
    x = 6,530.06

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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.