Home / 15,550.65-21,473.01-10,531.53

Finding the Fourth Proportional to 15,550.65, 21,473.01 and 10,531.53

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Solution

The fourth proportional to 15,550.65, 21,473.01 and 10,531.53 is: 14,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.65 : 21,473.01 = 10,531.53 : x
  2. Step 2: Convert to fraction form
    15,550.65/21,473.01 = 10,531.53/x
  3. Step 3: Cross multiply
    15,550.65x = 21,473.01 × 10,531.53
  4. Step 4: Simplify right side
    15,550.65x = 226,143,649.01
  5. Step 5: Solve for x
    x = 226,143,649.01/15,550.65
  6. Step 6: Final answer
    x = 14,542.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.