Home / 13,376.24-20,064.27-10,457

Finding the Fourth Proportional to 13,376.24, 20,064.27 and 10,457

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Solution

The fourth proportional to 13,376.24, 20,064.27 and 10,457 is: 15,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.24 : 20,064.27 = 10,457 : x
  2. Step 2: Convert to fraction form
    13,376.24/20,064.27 = 10,457/x
  3. Step 3: Cross multiply
    13,376.24x = 20,064.27 × 10,457
  4. Step 4: Simplify right side
    13,376.24x = 209,812,071.39
  5. Step 5: Solve for x
    x = 209,812,071.39/13,376.24
  6. Step 6: Final answer
    x = 15,685.43

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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.