Home / 14,001.03-21,001.75-9,287.39

Finding the Fourth Proportional to 14,001.03, 21,001.75 and 9,287.39

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Solution

The fourth proportional to 14,001.03, 21,001.75 and 9,287.39 is: 13,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.03 : 21,001.75 = 9,287.39 : x
  2. Step 2: Convert to fraction form
    14,001.03/21,001.75 = 9,287.39/x
  3. Step 3: Cross multiply
    14,001.03x = 21,001.75 × 9,287.39
  4. Step 4: Simplify right side
    14,001.03x = 195,051,472.22
  5. Step 5: Solve for x
    x = 195,051,472.22/14,001.03
  6. Step 6: Final answer
    x = 13,931.22

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1.5x scale

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.