Home / 19,303.28-28,935.08-10,965.49

Finding the Fourth Proportional to 19,303.28, 28,935.08 and 10,965.49

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Solution

The fourth proportional to 19,303.28, 28,935.08 and 10,965.49 is: 16,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.28 : 28,935.08 = 10,965.49 : x
  2. Step 2: Convert to fraction form
    19,303.28/28,935.08 = 10,965.49/x
  3. Step 3: Cross multiply
    19,303.28x = 28,935.08 × 10,965.49
  4. Step 4: Simplify right side
    19,303.28x = 317,287,185.71
  5. Step 5: Solve for x
    x = 317,287,185.71/19,303.28
  6. Step 6: Final answer
    x = 16,436.96

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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.