Home / 13,045.42-19,564.03-4,278.28

Finding the Fourth Proportional to 13,045.42, 19,564.03 and 4,278.28

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Solution

The fourth proportional to 13,045.42, 19,564.03 and 4,278.28 is: 6,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.42 : 19,564.03 = 4,278.28 : x
  2. Step 2: Convert to fraction form
    13,045.42/19,564.03 = 4,278.28/x
  3. Step 3: Cross multiply
    13,045.42x = 19,564.03 × 4,278.28
  4. Step 4: Simplify right side
    13,045.42x = 83,700,398.27
  5. Step 5: Solve for x
    x = 83,700,398.27/13,045.42
  6. Step 6: Final answer
    x = 6,416.08

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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.