Home / 13,935.34-20,904.09-3,547

Finding the Fourth Proportional to 13,935.34, 20,904.09 and 3,547

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Solution

The fourth proportional to 13,935.34, 20,904.09 and 3,547 is: 5,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.34 : 20,904.09 = 3,547 : x
  2. Step 2: Convert to fraction form
    13,935.34/20,904.09 = 3,547/x
  3. Step 3: Cross multiply
    13,935.34x = 20,904.09 × 3,547
  4. Step 4: Simplify right side
    13,935.34x = 74,146,807.23
  5. Step 5: Solve for x
    x = 74,146,807.23/13,935.34
  6. Step 6: Final answer
    x = 5,320.77

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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.