Home / 10,927.30-16,389.69-3,030.40

Finding the Fourth Proportional to 10,927.30, 16,389.69 and 3,030.40

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Solution

The fourth proportional to 10,927.30, 16,389.69 and 3,030.40 is: 4,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.30 : 16,389.69 = 3,030.40 : x
  2. Step 2: Convert to fraction form
    10,927.30/16,389.69 = 3,030.40/x
  3. Step 3: Cross multiply
    10,927.30x = 16,389.69 × 3,030.40
  4. Step 4: Simplify right side
    10,927.30x = 49,667,316.58
  5. Step 5: Solve for x
    x = 49,667,316.58/10,927.30
  6. Step 6: Final answer
    x = 4,545.25

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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.