Home / 19,931.76-27,495.27-11,859.68

Finding the Fourth Proportional to 19,931.76, 27,495.27 and 11,859.68

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Solution

The fourth proportional to 19,931.76, 27,495.27 and 11,859.68 is: 16,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.76 : 27,495.27 = 11,859.68 : x
  2. Step 2: Convert to fraction form
    19,931.76/27,495.27 = 11,859.68/x
  3. Step 3: Cross multiply
    19,931.76x = 27,495.27 × 11,859.68
  4. Step 4: Simplify right side
    19,931.76x = 326,085,103.71
  5. Step 5: Solve for x
    x = 326,085,103.71/19,931.76
  6. Step 6: Final answer
    x = 16,360.08

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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.