Home / 14,547.10-21,822.35-5,188.44

Finding the Fourth Proportional to 14,547.10, 21,822.35 and 5,188.44

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Solution

The fourth proportional to 14,547.10, 21,822.35 and 5,188.44 is: 7,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.10 : 21,822.35 = 5,188.44 : x
  2. Step 2: Convert to fraction form
    14,547.10/21,822.35 = 5,188.44/x
  3. Step 3: Cross multiply
    14,547.10x = 21,822.35 × 5,188.44
  4. Step 4: Simplify right side
    14,547.10x = 113,223,953.63
  5. Step 5: Solve for x
    x = 113,223,953.63/14,547.10
  6. Step 6: Final answer
    x = 7,783.27

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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.