Home / 14,006.47-21,013.35-5,242.08

Finding the Fourth Proportional to 14,006.47, 21,013.35 and 5,242.08

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Solution

The fourth proportional to 14,006.47, 21,013.35 and 5,242.08 is: 7,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.47 : 21,013.35 = 5,242.08 : x
  2. Step 2: Convert to fraction form
    14,006.47/21,013.35 = 5,242.08/x
  3. Step 3: Cross multiply
    14,006.47x = 21,013.35 × 5,242.08
  4. Step 4: Simplify right side
    14,006.47x = 110,153,661.77
  5. Step 5: Solve for x
    x = 110,153,661.77/14,006.47
  6. Step 6: Final answer
    x = 7,864.48

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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.