Home / 14,280.10-19,703.79-9,243.62

Finding the Fourth Proportional to 14,280.10, 19,703.79 and 9,243.62

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Solution

The fourth proportional to 14,280.10, 19,703.79 and 9,243.62 is: 12,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.10 : 19,703.79 = 9,243.62 : x
  2. Step 2: Convert to fraction form
    14,280.10/19,703.79 = 9,243.62/x
  3. Step 3: Cross multiply
    14,280.10x = 19,703.79 × 9,243.62
  4. Step 4: Simplify right side
    14,280.10x = 182,134,347.32
  5. Step 5: Solve for x
    x = 182,134,347.32/14,280.10
  6. Step 6: Final answer
    x = 12,754.42

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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.