Home / 14,001.76-21,002.59-6,602.21

Finding the Fourth Proportional to 14,001.76, 21,002.59 and 6,602.21

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Solution

The fourth proportional to 14,001.76, 21,002.59 and 6,602.21 is: 9,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.76 : 21,002.59 = 6,602.21 : x
  2. Step 2: Convert to fraction form
    14,001.76/21,002.59 = 6,602.21/x
  3. Step 3: Cross multiply
    14,001.76x = 21,002.59 × 6,602.21
  4. Step 4: Simplify right side
    14,001.76x = 138,663,491.72
  5. Step 5: Solve for x
    x = 138,663,491.72/14,001.76
  6. Step 6: Final answer
    x = 9,903.29

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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.