Home / 19,943.48-29,916.36-10,071.20

Finding the Fourth Proportional to 19,943.48, 29,916.36 and 10,071.20

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Solution

The fourth proportional to 19,943.48, 29,916.36 and 10,071.20 is: 15,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.48 : 29,916.36 = 10,071.20 : x
  2. Step 2: Convert to fraction form
    19,943.48/29,916.36 = 10,071.20/x
  3. Step 3: Cross multiply
    19,943.48x = 29,916.36 × 10,071.20
  4. Step 4: Simplify right side
    19,943.48x = 301,293,644.83
  5. Step 5: Solve for x
    x = 301,293,644.83/19,943.48
  6. Step 6: Final answer
    x = 15,107.38

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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.