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Finding the Fourth Proportional to 14,996.31, 22,509.03 and 7,210.59

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Solution

The fourth proportional to 14,996.31, 22,509.03 and 7,210.59 is: 10,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.31 : 22,509.03 = 7,210.59 : x
  2. Step 2: Convert to fraction form
    14,996.31/22,509.03 = 7,210.59/x
  3. Step 3: Cross multiply
    14,996.31x = 22,509.03 × 7,210.59
  4. Step 4: Simplify right side
    14,996.31x = 162,303,386.63
  5. Step 5: Solve for x
    x = 162,303,386.63/14,996.31
  6. Step 6: Final answer
    x = 10,822.89

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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.