Home / 15,550.37-21,462.98-9,884.01

Finding the Fourth Proportional to 15,550.37, 21,462.98 and 9,884.01

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Solution

The fourth proportional to 15,550.37, 21,462.98 and 9,884.01 is: 13,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.37 : 21,462.98 = 9,884.01 : x
  2. Step 2: Convert to fraction form
    15,550.37/21,462.98 = 9,884.01/x
  3. Step 3: Cross multiply
    15,550.37x = 21,462.98 × 9,884.01
  4. Step 4: Simplify right side
    15,550.37x = 212,140,340.02
  5. Step 5: Solve for x
    x = 212,140,340.02/15,550.37
  6. Step 6: Final answer
    x = 13,642.14

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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.