Home / 15,550.29-21,462.86-9,883.93

Finding the Fourth Proportional to 15,550.29, 21,462.86 and 9,883.93

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Solution

The fourth proportional to 15,550.29, 21,462.86 and 9,883.93 is: 13,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.29 : 21,462.86 = 9,883.93 : x
  2. Step 2: Convert to fraction form
    15,550.29/21,462.86 = 9,883.93/x
  3. Step 3: Cross multiply
    15,550.29x = 21,462.86 × 9,883.93
  4. Step 4: Simplify right side
    15,550.29x = 212,137,405.84
  5. Step 5: Solve for x
    x = 212,137,405.84/15,550.29
  6. Step 6: Final answer
    x = 13,642.02

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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.