Home / 15,557.43-23,339.79-8,985.51

Finding the Fourth Proportional to 15,557.43, 23,339.79 and 8,985.51

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Solution

The fourth proportional to 15,557.43, 23,339.79 and 8,985.51 is: 13,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.43 : 23,339.79 = 8,985.51 : x
  2. Step 2: Convert to fraction form
    15,557.43/23,339.79 = 8,985.51/x
  3. Step 3: Cross multiply
    15,557.43x = 23,339.79 × 8,985.51
  4. Step 4: Simplify right side
    15,557.43x = 209,719,916.44
  5. Step 5: Solve for x
    x = 209,719,916.44/15,557.43
  6. Step 6: Final answer
    x = 13,480.37

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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.