Home / 19,424.48-29,132.56-6,945.20

Finding the Fourth Proportional to 19,424.48, 29,132.56 and 6,945.20

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Solution

The fourth proportional to 19,424.48, 29,132.56 and 6,945.20 is: 10,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.48 : 29,132.56 = 6,945.20 : x
  2. Step 2: Convert to fraction form
    19,424.48/29,132.56 = 6,945.20/x
  3. Step 3: Cross multiply
    19,424.48x = 29,132.56 × 6,945.20
  4. Step 4: Simplify right side
    19,424.48x = 202,331,455.71
  5. Step 5: Solve for x
    x = 202,331,455.71/19,424.48
  6. Step 6: Final answer
    x = 10,416.31

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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.