Home / 15,584.01-21,501.90-9,916.44

Finding the Fourth Proportional to 15,584.01, 21,501.90 and 9,916.44

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Solution

The fourth proportional to 15,584.01, 21,501.90 and 9,916.44 is: 13,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.01 : 21,501.90 = 9,916.44 : x
  2. Step 2: Convert to fraction form
    15,584.01/21,501.90 = 9,916.44/x
  3. Step 3: Cross multiply
    15,584.01x = 21,501.90 × 9,916.44
  4. Step 4: Simplify right side
    15,584.01x = 213,222,301.24
  5. Step 5: Solve for x
    x = 213,222,301.24/15,584.01
  6. Step 6: Final answer
    x = 13,682.12

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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.