Home / 19,277.49-28,893.10-9,921.93

Finding the Fourth Proportional to 19,277.49, 28,893.10 and 9,921.93

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Solution

The fourth proportional to 19,277.49, 28,893.10 and 9,921.93 is: 14,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.49 : 28,893.10 = 9,921.93 : x
  2. Step 2: Convert to fraction form
    19,277.49/28,893.10 = 9,921.93/x
  3. Step 3: Cross multiply
    19,277.49x = 28,893.10 × 9,921.93
  4. Step 4: Simplify right side
    19,277.49x = 286,675,315.68
  5. Step 5: Solve for x
    x = 286,675,315.68/19,277.49
  6. Step 6: Final answer
    x = 14,870.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.