Home / 19,746.72-29,627.91-11,864.07

Finding the Fourth Proportional to 19,746.72, 29,627.91 and 11,864.07

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Solution

The fourth proportional to 19,746.72, 29,627.91 and 11,864.07 is: 17,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.72 : 29,627.91 = 11,864.07 : x
  2. Step 2: Convert to fraction form
    19,746.72/29,627.91 = 11,864.07/x
  3. Step 3: Cross multiply
    19,746.72x = 29,627.91 × 11,864.07
  4. Step 4: Simplify right side
    19,746.72x = 351,507,598.19
  5. Step 5: Solve for x
    x = 351,507,598.19/19,746.72
  6. Step 6: Final answer
    x = 17,800.81

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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.