Home / 15,483.80-21,367.73-9,110.63

Finding the Fourth Proportional to 15,483.80, 21,367.73 and 9,110.63

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Solution

The fourth proportional to 15,483.80, 21,367.73 and 9,110.63 is: 12,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.80 : 21,367.73 = 9,110.63 : x
  2. Step 2: Convert to fraction form
    15,483.80/21,367.73 = 9,110.63/x
  3. Step 3: Cross multiply
    15,483.80x = 21,367.73 × 9,110.63
  4. Step 4: Simplify right side
    15,483.80x = 194,673,558.17
  5. Step 5: Solve for x
    x = 194,673,558.17/15,483.80
  6. Step 6: Final answer
    x = 12,572.72

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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.