Home / 11,280.30-16,920.45-10,848.30

Finding the Fourth Proportional to 11,280.30, 16,920.45 and 10,848.30

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Solution

The fourth proportional to 11,280.30, 16,920.45 and 10,848.30 is: 16,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.30 : 16,920.45 = 10,848.30 : x
  2. Step 2: Convert to fraction form
    11,280.30/16,920.45 = 10,848.30/x
  3. Step 3: Cross multiply
    11,280.30x = 16,920.45 × 10,848.30
  4. Step 4: Simplify right side
    11,280.30x = 183,558,117.74
  5. Step 5: Solve for x
    x = 183,558,117.74/11,280.30
  6. Step 6: Final answer
    x = 16,272.45

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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.