Home / 19,362.48-26,720.32-10,979.04

Finding the Fourth Proportional to 19,362.48, 26,720.32 and 10,979.04

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Solution

The fourth proportional to 19,362.48, 26,720.32 and 10,979.04 is: 15,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.48 : 26,720.32 = 10,979.04 : x
  2. Step 2: Convert to fraction form
    19,362.48/26,720.32 = 10,979.04/x
  3. Step 3: Cross multiply
    19,362.48x = 26,720.32 × 10,979.04
  4. Step 4: Simplify right side
    19,362.48x = 293,363,462.09
  5. Step 5: Solve for x
    x = 293,363,462.09/19,362.48
  6. Step 6: Final answer
    x = 15,151.13

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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.