Home / 13,957.94-19,260.84-7,988.24

Finding the Fourth Proportional to 13,957.94, 19,260.84 and 7,988.24

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Solution

The fourth proportional to 13,957.94, 19,260.84 and 7,988.24 is: 11,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.94 : 19,260.84 = 7,988.24 : x
  2. Step 2: Convert to fraction form
    13,957.94/19,260.84 = 7,988.24/x
  3. Step 3: Cross multiply
    13,957.94x = 19,260.84 × 7,988.24
  4. Step 4: Simplify right side
    13,957.94x = 153,860,212.52
  5. Step 5: Solve for x
    x = 153,860,212.52/13,957.94
  6. Step 6: Final answer
    x = 11,023.13

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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.