Home / 15,483.15-21,363.09-9,110.03

Finding the Fourth Proportional to 15,483.15, 21,363.09 and 9,110.03

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Solution

The fourth proportional to 15,483.15, 21,363.09 and 9,110.03 is: 12,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.15 : 21,363.09 = 9,110.03 : x
  2. Step 2: Convert to fraction form
    15,483.15/21,363.09 = 9,110.03/x
  3. Step 3: Cross multiply
    15,483.15x = 21,363.09 × 9,110.03
  4. Step 4: Simplify right side
    15,483.15x = 194,618,283.98
  5. Step 5: Solve for x
    x = 194,618,283.98/15,483.15
  6. Step 6: Final answer
    x = 12,569.68

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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.