Home / 15,550.13-21,459.62-9,501.36

Finding the Fourth Proportional to 15,550.13, 21,459.62 and 9,501.36

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Solution

The fourth proportional to 15,550.13, 21,459.62 and 9,501.36 is: 13,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.13 : 21,459.62 = 9,501.36 : x
  2. Step 2: Convert to fraction form
    15,550.13/21,459.62 = 9,501.36/x
  3. Step 3: Cross multiply
    15,550.13x = 21,459.62 × 9,501.36
  4. Step 4: Simplify right side
    15,550.13x = 203,895,598.84
  5. Step 5: Solve for x
    x = 203,895,598.84/15,550.13
  6. Step 6: Final answer
    x = 13,112.15

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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.